129048100

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{9851}}^1$

素因数の和:9996

約数の個数: 36

約数和(自身を含む): 282200688

約数和(自身を除く): 153152588

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2620, 3275, 6550, 9851, 13100, 19702, 39404, 49255, 98510, 197020, 246275, 492550, 985100, 1290481, 2580962, 5161924, 6452405, 12904810, 25809620, 32262025, 64524050, 129048100]

約数ペア:

[(1, 129048100), (2, 64524050), (4, 32262025), (5, 25809620), (10, 12904810), (20, 6452405), (25, 5161924), (50, 2580962), (100, 1290481), (131, 985100), (262, 492550), (524, 246275), (655, 197020), (1310, 98510), (2620, 49255), (3275, 39404), (6550, 19702), (9851, 13100)]