66650180

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{25439}}^1$

素因数の和:25579

約数の個数: 24

約数和(自身を含む): 141039360

約数和(自身を除く): 74389180

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 25439, 50878, 101756, 127195, 254390, 508780, 3332509, 6665018, 13330036, 16662545, 33325090, 66650180]

約数ペア:

[(1, 66650180), (2, 33325090), (4, 16662545), (5, 13330036), (10, 6665018), (20, 3332509), (131, 508780), (262, 254390), (524, 127195), (655, 101756), (1310, 50878), (2620, 25439)]