81227630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{8297}}^1$

素因数の和:8404

約数の個数: 32

約数和(自身を含む): 161313120

約数和(自身を除く): 80085490

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 8297, 9790, 16594, 41485, 82970, 91267, 182534, 456335, 738433, 912670, 1476866, 3692165, 7384330, 8122763, 16245526, 40613815, 81227630]

約数ペア:

[(1, 81227630), (2, 40613815), (5, 16245526), (10, 8122763), (11, 7384330), (22, 3692165), (55, 1476866), (89, 912670), (110, 738433), (178, 456335), (445, 182534), (890, 91267), (979, 82970), (1958, 41485), (4895, 16594), (8297, 9790)]