80252120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{983}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 195894720

約数和(自身を除く): 115642600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 785, 983, 1256, 1570, 1966, 2041, 3140, 3932, 4082, 4915, 6280, 7864, 8164, 9830, 10205, 12779, 16328, 19660, 20410, 25558, 39320, 40820, 51116, 63895, 81640, 102232, 127790, 154331, 255580, 308662, 511160, 617324, 771655, 1234648, 1543310, 2006303, 3086620, 4012606, 6173240, 8025212, 10031515, 16050424, 20063030, 40126060, 80252120]

約数ペア:

[(1, 80252120), (2, 40126060), (4, 20063030), (5, 16050424), (8, 10031515), (10, 8025212), (13, 6173240), (20, 4012606), (26, 3086620), (40, 2006303), (52, 1543310), (65, 1234648), (104, 771655), (130, 617324), (157, 511160), (260, 308662), (314, 255580), (520, 154331), (628, 127790), (785, 102232), (983, 81640), (1256, 63895), (1570, 51116), (1966, 40820), (2041, 39320), (3140, 25558), (3932, 20410), (4082, 19660), (4915, 16328), (6280, 12779), (7864, 10205), (8164, 9830)]