61240880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18671}}^1$

素因数の和:18725

約数の個数: 40

約数和(自身を含む): 145865664

約数和(自身を除く): 84624784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 18671, 37342, 74684, 93355, 149368, 186710, 298736, 373420, 746840, 765511, 1493680, 1531022, 3062044, 3827555, 6124088, 7655110, 12248176, 15310220, 30620440, 61240880]

約数ペア:

[(1, 61240880), (2, 30620440), (4, 15310220), (5, 12248176), (8, 7655110), (10, 6124088), (16, 3827555), (20, 3062044), (40, 1531022), (41, 1493680), (80, 765511), (82, 746840), (164, 373420), (205, 298736), (328, 186710), (410, 149368), (656, 93355), (820, 74684), (1640, 37342), (3280, 18671)]