219956080

素因数分解:

$2^4\times 5^1\times {\mathrm{983}}^1\times {\mathrm{2797}}^1$

素因数の和:3793

約数の個数: 40

約数和(自身を含む): 512101152

約数和(自身を除く): 292145072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 983, 1966, 2797, 3932, 4915, 5594, 7864, 9830, 11188, 13985, 15728, 19660, 22376, 27970, 39320, 44752, 55940, 78640, 111880, 223760, 2749451, 5498902, 10997804, 13747255, 21995608, 27494510, 43991216, 54989020, 109978040, 219956080]

約数ペア:

[(1, 219956080), (2, 109978040), (4, 54989020), (5, 43991216), (8, 27494510), (10, 21995608), (16, 13747255), (20, 10997804), (40, 5498902), (80, 2749451), (983, 223760), (1966, 111880), (2797, 78640), (3932, 55940), (4915, 44752), (5594, 39320), (7864, 27970), (9830, 22376), (11188, 19660), (13985, 15728)]