55666720

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2503}}^1$

素因数の和:2657

約数の個数: 48

約数和(自身を含む): 132511680

約数和(自身を除く): 76844960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2503, 2780, 4448, 5006, 5560, 10012, 11120, 12515, 20024, 22240, 25030, 40048, 50060, 80096, 100120, 200240, 347917, 400480, 695834, 1391668, 1739585, 2783336, 3479170, 5566672, 6958340, 11133344, 13916680, 27833360, 55666720]

約数ペア:

[(1, 55666720), (2, 27833360), (4, 13916680), (5, 11133344), (8, 6958340), (10, 5566672), (16, 3479170), (20, 2783336), (32, 1739585), (40, 1391668), (80, 695834), (139, 400480), (160, 347917), (278, 200240), (556, 100120), (695, 80096), (1112, 50060), (1390, 40048), (2224, 25030), (2503, 22240), (2780, 20024), (4448, 12515), (5006, 11120), (5560, 10012)]