8140880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^2$

素因数の和:93

約数の個数: 90

約数和(自身を含む): 21546798

約数和(自身を除く): 13405918

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 121, 145, 176, 220, 232, 242, 290, 319, 440, 464, 484, 580, 605, 638, 841, 880, 968, 1160, 1210, 1276, 1595, 1682, 1936, 2320, 2420, 2552, 3190, 3364, 3509, 4205, 4840, 5104, 6380, 6728, 7018, 8410, 9251, 9680, 12760, 13456, 14036, 16820, 17545, 18502, 25520, 28072, 33640, 35090, 37004, 46255, 56144, 67280, 70180, 74008, 92510, 101761, 140360, 148016, 185020, 203522, 280720, 370040, 407044, 508805, 740080, 814088, 1017610, 1628176, 2035220, 4070440, 8140880]

約数ペア:

[(1, 8140880), (2, 4070440), (4, 2035220), (5, 1628176), (8, 1017610), (10, 814088), (11, 740080), (16, 508805), (20, 407044), (22, 370040), (29, 280720), (40, 203522), (44, 185020), (55, 148016), (58, 140360), (80, 101761), (88, 92510), (110, 74008), (116, 70180), (121, 67280), (145, 56144), (176, 46255), (220, 37004), (232, 35090), (242, 33640), (290, 28072), (319, 25520), (440, 18502), (464, 17545), (484, 16820), (580, 14036), (605, 13456), (638, 12760), (841, 9680), (880, 9251), (968, 8410), (1160, 7018), (1210, 6728), (1276, 6380), (1595, 5104), (1682, 4840), (1936, 4205), (2320, 3509), (2420, 3364), (2552, 3190)]