25307240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 128

約数和(自身を含む): 70502400

約数和(自身を除く): 45195160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 67, 70, 71, 76, 95, 133, 134, 140, 142, 152, 190, 266, 268, 280, 284, 335, 355, 380, 469, 497, 532, 536, 568, 665, 670, 710, 760, 938, 994, 1064, 1273, 1330, 1340, 1349, 1420, 1876, 1988, 2345, 2485, 2546, 2660, 2680, 2698, 2840, 3752, 3976, 4690, 4757, 4970, 5092, 5320, 5396, 6365, 6745, 8911, 9380, 9443, 9514, 9940, 10184, 10792, 12730, 13490, 17822, 18760, 18886, 19028, 19880, 23785, 25460, 26980, 33299, 35644, 37772, 38056, 44555, 47215, 47570, 50920, 53960, 66598, 71288, 75544, 89110, 90383, 94430, 95140, 133196, 166495, 178220, 180766, 188860, 190280, 266392, 332990, 356440, 361532, 377720, 451915, 632681, 665980, 723064, 903830, 1265362, 1331960, 1807660, 2530724, 3163405, 3615320, 5061448, 6326810, 12653620, 25307240]

約数ペア:

[(1, 25307240), (2, 12653620), (4, 6326810), (5, 5061448), (7, 3615320), (8, 3163405), (10, 2530724), (14, 1807660), (19, 1331960), (20, 1265362), (28, 903830), (35, 723064), (38, 665980), (40, 632681), (56, 451915), (67, 377720), (70, 361532), (71, 356440), (76, 332990), (95, 266392), (133, 190280), (134, 188860), (140, 180766), (142, 178220), (152, 166495), (190, 133196), (266, 95140), (268, 94430), (280, 90383), (284, 89110), (335, 75544), (355, 71288), (380, 66598), (469, 53960), (497, 50920), (532, 47570), (536, 47215), (568, 44555), (665, 38056), (670, 37772), (710, 35644), (760, 33299), (938, 26980), (994, 25460), (1064, 23785), (1273, 19880), (1330, 19028), (1340, 18886), (1349, 18760), (1420, 17822), (1876, 13490), (1988, 12730), (2345, 10792), (2485, 10184), (2546, 9940), (2660, 9514), (2680, 9443), (2698, 9380), (2840, 8911), (3752, 6745), (3976, 6365), (4690, 5396), (4757, 5320), (4970, 5092)]