65640100

素因数分解:

$2^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{4027}}^1$

素因数の和:4204

約数の個数: 36

約数和(自身を含む): 143348464

約数和(自身を除く): 77708364

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 163, 326, 652, 815, 1630, 3260, 4027, 4075, 8054, 8150, 16108, 16300, 20135, 40270, 80540, 100675, 201350, 402700, 656401, 1312802, 2625604, 3282005, 6564010, 13128020, 16410025, 32820050, 65640100]

約数ペア:

[(1, 65640100), (2, 32820050), (4, 16410025), (5, 13128020), (10, 6564010), (20, 3282005), (25, 2625604), (50, 1312802), (100, 656401), (163, 402700), (326, 201350), (652, 100675), (815, 80540), (1630, 40270), (3260, 20135), (4027, 16300), (4075, 16108), (8054, 8150)]