12463340

素因数分解:

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

素因数の和:278

約数の個数: 48

約数和(自身を含む): 27143424

約数和(自身を除く): 14680084

約数列:

[1, 2, 4, 5, 10, 20, 67, 71, 131, 134, 142, 262, 268, 284, 335, 355, 524, 655, 670, 710, 1310, 1340, 1420, 2620, 4757, 8777, 9301, 9514, 17554, 18602, 19028, 23785, 35108, 37204, 43885, 46505, 47570, 87770, 93010, 95140, 175540, 186020, 623167, 1246334, 2492668, 3115835, 6231670, 12463340]

約数ペア:

[(1, 12463340), (2, 6231670), (4, 3115835), (5, 2492668), (10, 1246334), (20, 623167), (67, 186020), (71, 175540), (131, 95140), (134, 93010), (142, 87770), (262, 47570), (268, 46505), (284, 43885), (335, 37204), (355, 35108), (524, 23785), (655, 19028), (670, 18602), (710, 17554), (1310, 9514), (1340, 9301), (1420, 8777), (2620, 4757)]