83768680

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19213}}^1$

素因数の和:19333

約数の個数: 32

約数和(自身を含む): 190218600

約数和(自身を除く): 106449920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 19213, 38426, 76852, 96065, 153704, 192130, 384260, 768520, 2094217, 4188434, 8376868, 10471085, 16753736, 20942170, 41884340, 83768680]

約数ペア:

[(1, 83768680), (2, 41884340), (4, 20942170), (5, 16753736), (8, 10471085), (10, 8376868), (20, 4188434), (40, 2094217), (109, 768520), (218, 384260), (436, 192130), (545, 153704), (872, 96065), (1090, 76852), (2180, 38426), (4360, 19213)]