4072640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:130

約数の個数: 112

約数和(自身を含む): 11521440

約数和(自身を除く): 7448800

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 89, 104, 110, 130, 143, 160, 176, 178, 208, 220, 260, 286, 320, 352, 356, 416, 440, 445, 520, 572, 704, 712, 715, 832, 880, 890, 979, 1040, 1144, 1157, 1424, 1430, 1760, 1780, 1958, 2080, 2288, 2314, 2848, 2860, 3520, 3560, 3916, 4160, 4576, 4628, 4895, 5696, 5720, 5785, 7120, 7832, 9152, 9256, 9790, 11440, 11570, 12727, 14240, 15664, 18512, 19580, 22880, 23140, 25454, 28480, 31328, 37024, 39160, 45760, 46280, 50908, 62656, 63635, 74048, 78320, 92560, 101816, 127270, 156640, 185120, 203632, 254540, 313280, 370240, 407264, 509080, 814528, 1018160, 2036320, 4072640]

約数ペア:

[(1, 4072640), (2, 2036320), (4, 1018160), (5, 814528), (8, 509080), (10, 407264), (11, 370240), (13, 313280), (16, 254540), (20, 203632), (22, 185120), (26, 156640), (32, 127270), (40, 101816), (44, 92560), (52, 78320), (55, 74048), (64, 63635), (65, 62656), (80, 50908), (88, 46280), (89, 45760), (104, 39160), (110, 37024), (130, 31328), (143, 28480), (160, 25454), (176, 23140), (178, 22880), (208, 19580), (220, 18512), (260, 15664), (286, 14240), (320, 12727), (352, 11570), (356, 11440), (416, 9790), (440, 9256), (445, 9152), (520, 7832), (572, 7120), (704, 5785), (712, 5720), (715, 5696), (832, 4895), (880, 4628), (890, 4576), (979, 4160), (1040, 3916), (1144, 3560), (1157, 3520), (1424, 2860), (1430, 2848), (1760, 2314), (1780, 2288), (1958, 2080)]