245201680

素因数分解:

$2^4\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{1951}}^1$

素因数の和:3535

約数の個数: 40

約数和(自身を含む): 570749184

約数和(自身を除く): 325547504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1571, 1951, 3142, 3902, 6284, 7804, 7855, 9755, 12568, 15608, 15710, 19510, 25136, 31216, 31420, 39020, 62840, 78040, 125680, 156080, 3065021, 6130042, 12260084, 15325105, 24520168, 30650210, 49040336, 61300420, 122600840, 245201680]

約数ペア:

[(1, 245201680), (2, 122600840), (4, 61300420), (5, 49040336), (8, 30650210), (10, 24520168), (16, 15325105), (20, 12260084), (40, 6130042), (80, 3065021), (1571, 156080), (1951, 125680), (3142, 78040), (3902, 62840), (6284, 39020), (7804, 31420), (7855, 31216), (9755, 25136), (12568, 19510), (15608, 15710)]