155573680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47431}}^1$

素因数の和:47485

約数の個数: 40

約数和(自身を含む): 370538784

約数和(自身を除く): 214965104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 47431, 94862, 189724, 237155, 379448, 474310, 758896, 948620, 1897240, 1944671, 3794480, 3889342, 7778684, 9723355, 15557368, 19446710, 31114736, 38893420, 77786840, 155573680]

約数ペア:

[(1, 155573680), (2, 77786840), (4, 38893420), (5, 31114736), (8, 19446710), (10, 15557368), (16, 9723355), (20, 7778684), (40, 3889342), (41, 3794480), (80, 1944671), (82, 1897240), (164, 948620), (205, 758896), (328, 474310), (410, 379448), (656, 237155), (820, 189724), (1640, 94862), (3280, 47431)]