25799920

素因数分解:

$2^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{619}}^1$

素因数の和:1153

約数の個数: 40

約数和(自身を含む): 60197040

約数和(自身を除く): 34397120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 521, 619, 1042, 1238, 2084, 2476, 2605, 3095, 4168, 4952, 5210, 6190, 8336, 9904, 10420, 12380, 20840, 24760, 41680, 49520, 322499, 644998, 1289996, 1612495, 2579992, 3224990, 5159984, 6449980, 12899960, 25799920]

約数ペア:

[(1, 25799920), (2, 12899960), (4, 6449980), (5, 5159984), (8, 3224990), (10, 2579992), (16, 1612495), (20, 1289996), (40, 644998), (80, 322499), (521, 49520), (619, 41680), (1042, 24760), (1238, 20840), (2084, 12380), (2476, 10420), (2605, 9904), (3095, 8336), (4168, 6190), (4952, 5210)]