788557640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{7187}}^1$

素因数の和:7422

約数の個数: 64

約数和(自身を含む): 1920058560

約数和(自身を除く): 1131500920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 211, 260, 422, 520, 844, 1055, 1688, 2110, 2743, 4220, 5486, 7187, 8440, 10972, 13715, 14374, 21944, 27430, 28748, 35935, 54860, 57496, 71870, 93431, 109720, 143740, 186862, 287480, 373724, 467155, 747448, 934310, 1516457, 1868620, 3032914, 3737240, 6065828, 7582285, 12131656, 15164570, 19713941, 30329140, 39427882, 60658280, 78855764, 98569705, 157711528, 197139410, 394278820, 788557640]

約数ペア:

[(1, 788557640), (2, 394278820), (4, 197139410), (5, 157711528), (8, 98569705), (10, 78855764), (13, 60658280), (20, 39427882), (26, 30329140), (40, 19713941), (52, 15164570), (65, 12131656), (104, 7582285), (130, 6065828), (211, 3737240), (260, 3032914), (422, 1868620), (520, 1516457), (844, 934310), (1055, 747448), (1688, 467155), (2110, 373724), (2743, 287480), (4220, 186862), (5486, 143740), (7187, 109720), (8440, 93431), (10972, 71870), (13715, 57496), (14374, 54860), (21944, 35935), (27430, 28748)]