117647920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113123}}^1$

素因数の和:113149

約数の個数: 40

約数和(自身を含む): 294574896

約数和(自身を除く): 176926976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 113123, 226246, 452492, 565615, 904984, 1131230, 1470599, 1809968, 2262460, 2941198, 4524920, 5882396, 7352995, 9049840, 11764792, 14705990, 23529584, 29411980, 58823960, 117647920]

約数ペア:

[(1, 117647920), (2, 58823960), (4, 29411980), (5, 23529584), (8, 14705990), (10, 11764792), (13, 9049840), (16, 7352995), (20, 5882396), (26, 4524920), (40, 2941198), (52, 2262460), (65, 1809968), (80, 1470599), (104, 1131230), (130, 904984), (208, 565615), (260, 452492), (520, 226246), (1040, 113123)]