3966220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3251}}^1$

素因数の和:3321

約数の個数: 24

約数和(自身を含む): 8468208

約数和(自身を除く): 4501988

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 3251, 6502, 13004, 16255, 32510, 65020, 198311, 396622, 793244, 991555, 1983110, 3966220]

約数ペア:

[(1, 3966220), (2, 1983110), (4, 991555), (5, 793244), (10, 396622), (20, 198311), (61, 65020), (122, 32510), (244, 16255), (305, 13004), (610, 6502), (1220, 3251)]