28063880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1861}}^1$

素因数の和:1914

約数の個数: 64

約数和(自身を含む): 70383600

約数和(自身を除く): 42319720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1861, 1885, 3016, 3722, 3770, 7444, 7540, 9305, 14888, 15080, 18610, 24193, 37220, 48386, 53969, 74440, 96772, 107938, 120965, 193544, 215876, 241930, 269845, 431752, 483860, 539690, 701597, 967720, 1079380, 1403194, 2158760, 2806388, 3507985, 5612776, 7015970, 14031940, 28063880]

約数ペア:

[(1, 28063880), (2, 14031940), (4, 7015970), (5, 5612776), (8, 3507985), (10, 2806388), (13, 2158760), (20, 1403194), (26, 1079380), (29, 967720), (40, 701597), (52, 539690), (58, 483860), (65, 431752), (104, 269845), (116, 241930), (130, 215876), (145, 193544), (232, 120965), (260, 107938), (290, 96772), (377, 74440), (520, 53969), (580, 48386), (754, 37220), (1160, 24193), (1508, 18610), (1861, 15080), (1885, 14888), (3016, 9305), (3722, 7540), (3770, 7444)]