80937670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{1321}}^1$

素因数の和:1896

約数の個数: 32

約数和(自身を含む): 159338016

約数和(自身を除く): 78400346

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 557, 1114, 1321, 2642, 2785, 5570, 6127, 6605, 12254, 13210, 14531, 29062, 30635, 61270, 72655, 145310, 735797, 1471594, 3678985, 7357970, 8093767, 16187534, 40468835, 80937670]

約数ペア:

[(1, 80937670), (2, 40468835), (5, 16187534), (10, 8093767), (11, 7357970), (22, 3678985), (55, 1471594), (110, 735797), (557, 145310), (1114, 72655), (1321, 61270), (2642, 30635), (2785, 29062), (5570, 14531), (6127, 13210), (6605, 12254)]