1211960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 2797200

約数和(自身を除く): 1585240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 739, 820, 1478, 1640, 2956, 3695, 5912, 7390, 14780, 29560, 30299, 60598, 121196, 151495, 242392, 302990, 605980, 1211960]

約数ペア:

[(1, 1211960), (2, 605980), (4, 302990), (5, 242392), (8, 151495), (10, 121196), (20, 60598), (40, 30299), (41, 29560), (82, 14780), (164, 7390), (205, 5912), (328, 3695), (410, 2956), (739, 1640), (820, 1478)]