24926680

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 58164480

約数和(自身を除く): 33237800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 71, 131, 134, 142, 262, 268, 284, 335, 355, 524, 536, 568, 655, 670, 710, 1048, 1310, 1340, 1420, 2620, 2680, 2840, 4757, 5240, 8777, 9301, 9514, 17554, 18602, 19028, 23785, 35108, 37204, 38056, 43885, 46505, 47570, 70216, 74408, 87770, 93010, 95140, 175540, 186020, 190280, 351080, 372040, 623167, 1246334, 2492668, 3115835, 4985336, 6231670, 12463340, 24926680]

約数ペア:

[(1, 24926680), (2, 12463340), (4, 6231670), (5, 4985336), (8, 3115835), (10, 2492668), (20, 1246334), (40, 623167), (67, 372040), (71, 351080), (131, 190280), (134, 186020), (142, 175540), (262, 95140), (268, 93010), (284, 87770), (335, 74408), (355, 70216), (524, 47570), (536, 46505), (568, 43885), (655, 38056), (670, 37204), (710, 35108), (1048, 23785), (1310, 19028), (1340, 18602), (1420, 17554), (2620, 9514), (2680, 9301), (2840, 8777), (4757, 5240)]