40101820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 94246992

約数和(自身を除く): 54145172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 121, 146, 220, 227, 242, 292, 365, 454, 484, 605, 730, 803, 908, 1135, 1210, 1460, 1606, 2270, 2420, 2497, 3212, 4015, 4540, 4994, 8030, 8833, 9988, 12485, 16060, 16571, 17666, 24970, 27467, 33142, 35332, 44165, 49940, 54934, 66284, 82855, 88330, 109868, 137335, 165710, 176660, 182281, 274670, 331420, 364562, 549340, 729124, 911405, 1822810, 2005091, 3645620, 4010182, 8020364, 10025455, 20050910, 40101820]

約数ペア:

[(1, 40101820), (2, 20050910), (4, 10025455), (5, 8020364), (10, 4010182), (11, 3645620), (20, 2005091), (22, 1822810), (44, 911405), (55, 729124), (73, 549340), (110, 364562), (121, 331420), (146, 274670), (220, 182281), (227, 176660), (242, 165710), (292, 137335), (365, 109868), (454, 88330), (484, 82855), (605, 66284), (730, 54934), (803, 49940), (908, 44165), (1135, 35332), (1210, 33142), (1460, 27467), (1606, 24970), (2270, 17666), (2420, 16571), (2497, 16060), (3212, 12485), (4015, 9988), (4540, 8833), (4994, 8030)]