91040240

素因数分解:

$2^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1993}}^1$

素因数の和:2577

約数の個数: 40

約数和(自身を含む): 212145648

約数和(自身を除く): 121105408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 571, 1142, 1993, 2284, 2855, 3986, 4568, 5710, 7972, 9136, 9965, 11420, 15944, 19930, 22840, 31888, 39860, 45680, 79720, 159440, 1138003, 2276006, 4552012, 5690015, 9104024, 11380030, 18208048, 22760060, 45520120, 91040240]

約数ペア:

[(1, 91040240), (2, 45520120), (4, 22760060), (5, 18208048), (8, 11380030), (10, 9104024), (16, 5690015), (20, 4552012), (40, 2276006), (80, 1138003), (571, 159440), (1142, 79720), (1993, 45680), (2284, 39860), (2855, 31888), (3986, 22840), (4568, 19930), (5710, 15944), (7972, 11420), (9136, 9965)]