3639640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4789}}^1$

素因数の和:4819

約数の個数: 32

約数和(自身を含む): 8622000

約数和(自身を除く): 4982360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 4789, 9578, 19156, 23945, 38312, 47890, 90991, 95780, 181982, 191560, 363964, 454955, 727928, 909910, 1819820, 3639640]

約数ペア:

[(1, 3639640), (2, 1819820), (4, 909910), (5, 727928), (8, 454955), (10, 363964), (19, 191560), (20, 181982), (38, 95780), (40, 90991), (76, 47890), (95, 38312), (152, 23945), (190, 19156), (380, 9578), (760, 4789)]