25398280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^2$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 59142060

約数和(自身を除く): 33743780

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 131, 148, 185, 262, 296, 370, 524, 655, 740, 1048, 1310, 1480, 2620, 4847, 5240, 9694, 17161, 19388, 24235, 34322, 38776, 48470, 68644, 85805, 96940, 137288, 171610, 193880, 343220, 634957, 686440, 1269914, 2539828, 3174785, 5079656, 6349570, 12699140, 25398280]

約数ペア:

[(1, 25398280), (2, 12699140), (4, 6349570), (5, 5079656), (8, 3174785), (10, 2539828), (20, 1269914), (37, 686440), (40, 634957), (74, 343220), (131, 193880), (148, 171610), (185, 137288), (262, 96940), (296, 85805), (370, 68644), (524, 48470), (655, 38776), (740, 34322), (1048, 24235), (1310, 19388), (1480, 17161), (2620, 9694), (4847, 5240)]