72591320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{44263}}^1$

素因数の和:44315

約数の個数: 32

約数和(自身を含む): 167317920

約数和(自身を除く): 94726600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 44263, 88526, 177052, 221315, 354104, 442630, 885260, 1770520, 1814783, 3629566, 7259132, 9073915, 14518264, 18147830, 36295660, 72591320]

約数ペア:

[(1, 72591320), (2, 36295660), (4, 18147830), (5, 14518264), (8, 9073915), (10, 7259132), (20, 3629566), (40, 1814783), (41, 1770520), (82, 885260), (164, 442630), (205, 354104), (328, 221315), (410, 177052), (820, 88526), (1640, 44263)]