12497420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 28703808

約数和(自身を除く): 16206388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 677, 710, 923, 1354, 1420, 1846, 2708, 3385, 3692, 4615, 6770, 8801, 9230, 13540, 17602, 18460, 35204, 44005, 48067, 88010, 96134, 176020, 192268, 240335, 480670, 624871, 961340, 1249742, 2499484, 3124355, 6248710, 12497420]

約数ペア:

[(1, 12497420), (2, 6248710), (4, 3124355), (5, 2499484), (10, 1249742), (13, 961340), (20, 624871), (26, 480670), (52, 240335), (65, 192268), (71, 176020), (130, 96134), (142, 88010), (260, 48067), (284, 44005), (355, 35204), (677, 18460), (710, 17602), (923, 13540), (1354, 9230), (1420, 8801), (1846, 6770), (2708, 4615), (3385, 3692)]