31741840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1327}}^1$

素因数の和:1376

約数の個数: 80

約数和(自身を含む): 82994688

約数和(自身を除く): 51252848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1327, 1495, 1840, 2392, 2654, 2990, 4784, 5308, 5980, 6635, 10616, 11960, 13270, 17251, 21232, 23920, 26540, 30521, 34502, 53080, 61042, 69004, 86255, 106160, 122084, 138008, 152605, 172510, 244168, 276016, 305210, 345020, 396773, 488336, 610420, 690040, 793546, 1220840, 1380080, 1587092, 1983865, 2441680, 3174184, 3967730, 6348368, 7935460, 15870920, 31741840]

約数ペア:

[(1, 31741840), (2, 15870920), (4, 7935460), (5, 6348368), (8, 3967730), (10, 3174184), (13, 2441680), (16, 1983865), (20, 1587092), (23, 1380080), (26, 1220840), (40, 793546), (46, 690040), (52, 610420), (65, 488336), (80, 396773), (92, 345020), (104, 305210), (115, 276016), (130, 244168), (184, 172510), (208, 152605), (230, 138008), (260, 122084), (299, 106160), (368, 86255), (460, 69004), (520, 61042), (598, 53080), (920, 34502), (1040, 30521), (1196, 26540), (1327, 23920), (1495, 21232), (1840, 17251), (2392, 13270), (2654, 11960), (2990, 10616), (4784, 6635), (5308, 5980)]