25559840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9397}}^1$

素因数の和:9429

約数の個数: 48

約数和(自身を含む): 63943992

約数和(自身を除く): 38384152

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 9397, 18794, 37588, 46985, 75176, 93970, 150352, 159749, 187940, 300704, 319498, 375880, 638996, 751760, 798745, 1277992, 1503520, 1597490, 2555984, 3194980, 5111968, 6389960, 12779920, 25559840]

約数ペア:

[(1, 25559840), (2, 12779920), (4, 6389960), (5, 5111968), (8, 3194980), (10, 2555984), (16, 1597490), (17, 1503520), (20, 1277992), (32, 798745), (34, 751760), (40, 638996), (68, 375880), (80, 319498), (85, 300704), (136, 187940), (160, 159749), (170, 150352), (272, 93970), (340, 75176), (544, 46985), (680, 37588), (1360, 18794), (2720, 9397)]