77461960

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{10139}}^1$

素因数の和:10341

約数の個数: 32

約数和(自身を含む): 175219200

約数和(自身を除く): 97757240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 10139, 20278, 40556, 50695, 81112, 101390, 202780, 405560, 1936549, 3873098, 7746196, 9682745, 15492392, 19365490, 38730980, 77461960]

約数ペア:

[(1, 77461960), (2, 38730980), (4, 19365490), (5, 15492392), (8, 9682745), (10, 7746196), (20, 3873098), (40, 1936549), (191, 405560), (382, 202780), (764, 101390), (955, 81112), (1528, 50695), (1910, 40556), (3820, 20278), (7640, 10139)]