17547280

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{521}}^1$

素因数の和:955

約数の個数: 40

約数和(自身を含む): 40972824

約数和(自身を除く): 23425544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 521, 842, 1042, 1684, 2084, 2105, 2605, 3368, 4168, 4210, 5210, 6736, 8336, 8420, 10420, 16840, 20840, 33680, 41680, 219341, 438682, 877364, 1096705, 1754728, 2193410, 3509456, 4386820, 8773640, 17547280]

約数ペア:

[(1, 17547280), (2, 8773640), (4, 4386820), (5, 3509456), (8, 2193410), (10, 1754728), (16, 1096705), (20, 877364), (40, 438682), (80, 219341), (421, 41680), (521, 33680), (842, 20840), (1042, 16840), (1684, 10420), (2084, 8420), (2105, 8336), (2605, 6736), (3368, 5210), (4168, 4210)]