13916680

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2503}}^1$

素因数の和:2653

約数の個数: 32

約数和(自身を含む): 31550400

約数和(自身を除く): 17633720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2503, 2780, 5006, 5560, 10012, 12515, 20024, 25030, 50060, 100120, 347917, 695834, 1391668, 1739585, 2783336, 3479170, 6958340, 13916680]

約数ペア:

[(1, 13916680), (2, 6958340), (4, 3479170), (5, 2783336), (8, 1739585), (10, 1391668), (20, 695834), (40, 347917), (139, 100120), (278, 50060), (556, 25030), (695, 20024), (1112, 12515), (1390, 10012), (2503, 5560), (2780, 5006)]