31033720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 41542280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 127, 149, 164, 205, 254, 298, 328, 410, 508, 596, 635, 745, 820, 1016, 1192, 1270, 1490, 1640, 2540, 2980, 5080, 5207, 5960, 6109, 10414, 12218, 18923, 20828, 24436, 26035, 30545, 37846, 41656, 48872, 52070, 61090, 75692, 94615, 104140, 122180, 151384, 189230, 208280, 244360, 378460, 756920, 775843, 1551686, 3103372, 3879215, 6206744, 7758430, 15516860, 31033720]

約数ペア:

[(1, 31033720), (2, 15516860), (4, 7758430), (5, 6206744), (8, 3879215), (10, 3103372), (20, 1551686), (40, 775843), (41, 756920), (82, 378460), (127, 244360), (149, 208280), (164, 189230), (205, 151384), (254, 122180), (298, 104140), (328, 94615), (410, 75692), (508, 61090), (596, 52070), (635, 48872), (745, 41656), (820, 37846), (1016, 30545), (1192, 26035), (1270, 24436), (1490, 20828), (1640, 18923), (2540, 12218), (2980, 10414), (5080, 6109), (5207, 5960)]