409080440

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{123217}}^1$

素因数の和:123311

約数の個数: 32

約数和(自身を含む): 931528080

約数和(自身を除く): 522447640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 123217, 246434, 492868, 616085, 985736, 1232170, 2464340, 4928680, 10227011, 20454022, 40908044, 51135055, 81816088, 102270110, 204540220, 409080440]

約数ペア:

[(1, 409080440), (2, 204540220), (4, 102270110), (5, 81816088), (8, 51135055), (10, 40908044), (20, 20454022), (40, 10227011), (83, 4928680), (166, 2464340), (332, 1232170), (415, 985736), (664, 616085), (830, 492868), (1660, 246434), (3320, 123217)]