40508380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 98537040

約数和(自身を除く): 58028660

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 881, 1045, 1210, 1762, 2090, 2299, 2420, 3524, 4180, 4405, 4598, 8810, 9196, 9691, 11495, 16739, 17620, 19382, 22990, 33478, 38764, 45980, 48455, 66956, 83695, 96910, 106601, 167390, 184129, 193820, 213202, 334780, 368258, 426404, 533005, 736516, 920645, 1066010, 1841290, 2025419, 2132020, 3682580, 4050838, 8101676, 10127095, 20254190, 40508380]

約数ペア:

[(1, 40508380), (2, 20254190), (4, 10127095), (5, 8101676), (10, 4050838), (11, 3682580), (19, 2132020), (20, 2025419), (22, 1841290), (38, 1066010), (44, 920645), (55, 736516), (76, 533005), (95, 426404), (110, 368258), (121, 334780), (190, 213202), (209, 193820), (220, 184129), (242, 167390), (380, 106601), (418, 96910), (484, 83695), (605, 66956), (836, 48455), (881, 45980), (1045, 38764), (1210, 33478), (1762, 22990), (2090, 19382), (2299, 17620), (2420, 16739), (3524, 11495), (4180, 9691), (4405, 9196), (4598, 8810)]