28305458920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{119513}}^1$

素因数の和:119746

約数の個数: 64

約数和(自身を含む): 66086461440

約数和(自身を除く): 37781002520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 191, 248, 310, 382, 620, 764, 955, 1240, 1528, 1910, 3820, 5921, 7640, 11842, 23684, 29605, 47368, 59210, 118420, 119513, 236840, 239026, 478052, 597565, 956104, 1195130, 2390260, 3704903, 4780520, 7409806, 14819612, 18524515, 22826983, 29639224, 37049030, 45653966, 74098060, 91307932, 114134915, 148196120, 182615864, 228269830, 456539660, 707636473, 913079320, 1415272946, 2830545892, 3538182365, 5661091784, 7076364730, 14152729460, 28305458920]

約数ペア:

[(1, 28305458920), (2, 14152729460), (4, 7076364730), (5, 5661091784), (8, 3538182365), (10, 2830545892), (20, 1415272946), (31, 913079320), (40, 707636473), (62, 456539660), (124, 228269830), (155, 182615864), (191, 148196120), (248, 114134915), (310, 91307932), (382, 74098060), (620, 45653966), (764, 37049030), (955, 29639224), (1240, 22826983), (1528, 18524515), (1910, 14819612), (3820, 7409806), (5921, 4780520), (7640, 3704903), (11842, 2390260), (23684, 1195130), (29605, 956104), (47368, 597565), (59210, 478052), (118420, 239026), (119513, 236840)]