27231640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21961}}^1$

素因数の和:22003

約数の個数: 32

約数和(自身を含む): 63250560

約数和(自身を除く): 36018920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 21961, 43922, 87844, 109805, 175688, 219610, 439220, 680791, 878440, 1361582, 2723164, 3403955, 5446328, 6807910, 13615820, 27231640]

約数ペア:

[(1, 27231640), (2, 13615820), (4, 6807910), (5, 5446328), (8, 3403955), (10, 2723164), (20, 1361582), (31, 878440), (40, 680791), (62, 439220), (124, 219610), (155, 175688), (248, 109805), (310, 87844), (620, 43922), (1240, 21961)]