89750960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 226339680

約数和(自身を除く): 136588720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 211, 260, 409, 422, 520, 818, 844, 1040, 1055, 1636, 1688, 2045, 2110, 2743, 3272, 3376, 4090, 4220, 5317, 5486, 6544, 8180, 8440, 10634, 10972, 13715, 16360, 16880, 21268, 21944, 26585, 27430, 32720, 42536, 43888, 53170, 54860, 85072, 86299, 106340, 109720, 172598, 212680, 219440, 345196, 425360, 431495, 690392, 862990, 1121887, 1380784, 1725980, 2243774, 3451960, 4487548, 5609435, 6903920, 8975096, 11218870, 17950192, 22437740, 44875480, 89750960]

約数ペア:

[(1, 89750960), (2, 44875480), (4, 22437740), (5, 17950192), (8, 11218870), (10, 8975096), (13, 6903920), (16, 5609435), (20, 4487548), (26, 3451960), (40, 2243774), (52, 1725980), (65, 1380784), (80, 1121887), (104, 862990), (130, 690392), (208, 431495), (211, 425360), (260, 345196), (409, 219440), (422, 212680), (520, 172598), (818, 109720), (844, 106340), (1040, 86299), (1055, 85072), (1636, 54860), (1688, 53170), (2045, 43888), (2110, 42536), (2743, 32720), (3272, 27430), (3376, 26585), (4090, 21944), (4220, 21268), (5317, 16880), (5486, 16360), (6544, 13715), (8180, 10972), (8440, 10634)]