40537960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 96163200

約数和(自身を除く): 55625240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 317, 460, 556, 634, 695, 920, 1112, 1268, 1390, 1585, 2536, 2780, 3170, 3197, 5560, 6340, 6394, 7291, 12680, 12788, 14582, 15985, 25576, 29164, 31970, 36455, 44063, 58328, 63940, 72910, 88126, 127880, 145820, 176252, 220315, 291640, 352504, 440630, 881260, 1013449, 1762520, 2026898, 4053796, 5067245, 8107592, 10134490, 20268980, 40537960]

約数ペア:

[(1, 40537960), (2, 20268980), (4, 10134490), (5, 8107592), (8, 5067245), (10, 4053796), (20, 2026898), (23, 1762520), (40, 1013449), (46, 881260), (92, 440630), (115, 352504), (139, 291640), (184, 220315), (230, 176252), (278, 145820), (317, 127880), (460, 88126), (556, 72910), (634, 63940), (695, 58328), (920, 44063), (1112, 36455), (1268, 31970), (1390, 29164), (1585, 25576), (2536, 15985), (2780, 14582), (3170, 12788), (3197, 12680), (5560, 7291), (6340, 6394)]