19960219240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{18481}}^1$

素因数の和:18603

約数の個数: 128

約数和(自身を含む): 50673208320

約数和(自身を除く): 30712989080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 67, 104, 124, 130, 134, 155, 248, 260, 268, 310, 335, 403, 520, 536, 620, 670, 806, 871, 1240, 1340, 1612, 1742, 2015, 2077, 2680, 3224, 3484, 4030, 4154, 4355, 6968, 8060, 8308, 8710, 10385, 16120, 16616, 17420, 18481, 20770, 27001, 34840, 36962, 41540, 54002, 73924, 83080, 92405, 108004, 135005, 147848, 184810, 216008, 240253, 270010, 369620, 480506, 540020, 572911, 739240, 961012, 1080040, 1145822, 1201265, 1238227, 1922024, 2291644, 2402530, 2476454, 2864555, 4583288, 4805060, 4952908, 5729110, 6191135, 7447843, 9610120, 9905816, 11458220, 12382270, 14895686, 16096951, 22916440, 24764540, 29791372, 32193902, 37239215, 38385037, 49529080, 59582744, 64387804, 74478430, 76770074, 80484755, 128775608, 148956860, 153540148, 160969510, 191925185, 297913720, 307080296, 321939020, 383850370, 499005481, 643878040, 767700740, 998010962, 1535401480, 1996021924, 2495027405, 3992043848, 4990054810, 9980109620, 19960219240]

約数ペア:

[(1, 19960219240), (2, 9980109620), (4, 4990054810), (5, 3992043848), (8, 2495027405), (10, 1996021924), (13, 1535401480), (20, 998010962), (26, 767700740), (31, 643878040), (40, 499005481), (52, 383850370), (62, 321939020), (65, 307080296), (67, 297913720), (104, 191925185), (124, 160969510), (130, 153540148), (134, 148956860), (155, 128775608), (248, 80484755), (260, 76770074), (268, 74478430), (310, 64387804), (335, 59582744), (403, 49529080), (520, 38385037), (536, 37239215), (620, 32193902), (670, 29791372), (806, 24764540), (871, 22916440), (1240, 16096951), (1340, 14895686), (1612, 12382270), (1742, 11458220), (2015, 9905816), (2077, 9610120), (2680, 7447843), (3224, 6191135), (3484, 5729110), (4030, 4952908), (4154, 4805060), (4355, 4583288), (6968, 2864555), (8060, 2476454), (8308, 2402530), (8710, 2291644), (10385, 1922024), (16120, 1238227), (16616, 1201265), (17420, 1145822), (18481, 1080040), (20770, 961012), (27001, 739240), (34840, 572911), (36962, 540020), (41540, 480506), (54002, 369620), (73924, 270010), (83080, 240253), (92405, 216008), (108004, 184810), (135005, 147848)]