53394920

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{2371}}^1$

素因数の和:2945

約数の個数: 32

約数和(自身を含む): 120402720

約数和(自身を除く): 67007800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2371, 2815, 4504, 4742, 5630, 9484, 11260, 11855, 18968, 22520, 23710, 47420, 94840, 1334873, 2669746, 5339492, 6674365, 10678984, 13348730, 26697460, 53394920]

約数ペア:

[(1, 53394920), (2, 26697460), (4, 13348730), (5, 10678984), (8, 6674365), (10, 5339492), (20, 2669746), (40, 1334873), (563, 94840), (1126, 47420), (2252, 23710), (2371, 22520), (2815, 18968), (4504, 11855), (4742, 11260), (5630, 9484)]