51118640

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4597}}^1$

素因数の和:4749

約数の個数: 40

約数和(自身を含む): 119731920

約数和(自身を除く): 68613280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 4597, 5560, 9194, 11120, 18388, 22985, 36776, 45970, 73552, 91940, 183880, 367760, 638983, 1277966, 2555932, 3194915, 5111864, 6389830, 10223728, 12779660, 25559320, 51118640]

約数ペア:

[(1, 51118640), (2, 25559320), (4, 12779660), (5, 10223728), (8, 6389830), (10, 5111864), (16, 3194915), (20, 2555932), (40, 1277966), (80, 638983), (139, 367760), (278, 183880), (556, 91940), (695, 73552), (1112, 45970), (1390, 36776), (2224, 22985), (2780, 18388), (4597, 11120), (5560, 9194)]