39995930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^2$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 80990280

約数和(自身を除く): 40994350

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 103, 130, 145, 206, 290, 377, 515, 754, 1030, 1339, 1885, 2678, 2987, 3770, 5974, 6695, 10609, 13390, 14935, 21218, 29870, 38831, 53045, 77662, 106090, 137917, 194155, 275834, 307661, 388310, 615322, 689585, 1379170, 1538305, 3076610, 3999593, 7999186, 19997965, 39995930]

約数ペア:

[(1, 39995930), (2, 19997965), (5, 7999186), (10, 3999593), (13, 3076610), (26, 1538305), (29, 1379170), (58, 689585), (65, 615322), (103, 388310), (130, 307661), (145, 275834), (206, 194155), (290, 137917), (377, 106090), (515, 77662), (754, 53045), (1030, 38831), (1339, 29870), (1885, 21218), (2678, 14935), (2987, 13390), (3770, 10609), (5974, 6695)]