3999912640

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{13007}}^1$

素因数の和:13086

約数の個数: 84

約数和(自身を含む): 9842711328

約数和(自身を除く): 5842798688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 961, 992, 1240, 1922, 1984, 2480, 3844, 4805, 4960, 7688, 9610, 9920, 13007, 15376, 19220, 26014, 30752, 38440, 52028, 61504, 65035, 76880, 104056, 130070, 153760, 208112, 260140, 307520, 403217, 416224, 520280, 806434, 832448, 1040560, 1612868, 2016085, 2081120, 3225736, 4032170, 4162240, 6451472, 8064340, 12499727, 12902944, 16128680, 24999454, 25805888, 32257360, 49998908, 62498635, 64514720, 99997816, 124997270, 129029440, 199995632, 249994540, 399991264, 499989080, 799982528, 999978160, 1999956320, 3999912640]

約数ペア:

[(1, 3999912640), (2, 1999956320), (4, 999978160), (5, 799982528), (8, 499989080), (10, 399991264), (16, 249994540), (20, 199995632), (31, 129029440), (32, 124997270), (40, 99997816), (62, 64514720), (64, 62498635), (80, 49998908), (124, 32257360), (155, 25805888), (160, 24999454), (248, 16128680), (310, 12902944), (320, 12499727), (496, 8064340), (620, 6451472), (961, 4162240), (992, 4032170), (1240, 3225736), (1922, 2081120), (1984, 2016085), (2480, 1612868), (3844, 1040560), (4805, 832448), (4960, 806434), (7688, 520280), (9610, 416224), (9920, 403217), (13007, 307520), (15376, 260140), (19220, 208112), (26014, 153760), (30752, 130070), (38440, 104056), (52028, 76880), (61504, 65035)]