9928880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9547}}^1$

素因数の和:9573

約数の個数: 40

約数和(自身を含む): 24862992

約数和(自身を除く): 14934112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 9547, 19094, 38188, 47735, 76376, 95470, 124111, 152752, 190940, 248222, 381880, 496444, 620555, 763760, 992888, 1241110, 1985776, 2482220, 4964440, 9928880]

約数ペア:

[(1, 9928880), (2, 4964440), (4, 2482220), (5, 1985776), (8, 1241110), (10, 992888), (13, 763760), (16, 620555), (20, 496444), (26, 381880), (40, 248222), (52, 190940), (65, 152752), (80, 124111), (104, 95470), (130, 76376), (208, 47735), (260, 38188), (520, 19094), (1040, 9547)]