16439240

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3637}}^1$

素因数の和:3761

約数の個数: 32

約数和(自身を含む): 37325880

約数和(自身を除く): 20886640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 3637, 4520, 7274, 14548, 18185, 29096, 36370, 72740, 145480, 410981, 821962, 1643924, 2054905, 3287848, 4109810, 8219620, 16439240]

約数ペア:

[(1, 16439240), (2, 8219620), (4, 4109810), (5, 3287848), (8, 2054905), (10, 1643924), (20, 821962), (40, 410981), (113, 145480), (226, 72740), (452, 36370), (565, 29096), (904, 18185), (1130, 14548), (2260, 7274), (3637, 4520)]