65461540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{53657}}^1$

素因数の和:53727

約数の個数: 24

約数和(自身を含む): 139725432

約数和(自身を除く): 74263892

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 53657, 107314, 214628, 268285, 536570, 1073140, 3273077, 6546154, 13092308, 16365385, 32730770, 65461540]

約数ペア:

[(1, 65461540), (2, 32730770), (4, 16365385), (5, 13092308), (10, 6546154), (20, 3273077), (61, 1073140), (122, 536570), (244, 268285), (305, 214628), (610, 107314), (1220, 53657)]