81057020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21673}}^1$

素因数の和:21710

約数の個数: 48

約数和(自身を含む): 196626528

約数和(自身を除く): 115569508

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 21673, 43346, 86692, 108365, 216730, 238403, 368441, 433460, 476806, 736882, 953612, 1192015, 1473764, 1842205, 2384030, 3684410, 4052851, 4768060, 7368820, 8105702, 16211404, 20264255, 40528510, 81057020]

約数ペア:

[(1, 81057020), (2, 40528510), (4, 20264255), (5, 16211404), (10, 8105702), (11, 7368820), (17, 4768060), (20, 4052851), (22, 3684410), (34, 2384030), (44, 1842205), (55, 1473764), (68, 1192015), (85, 953612), (110, 736882), (170, 476806), (187, 433460), (220, 368441), (340, 238403), (374, 216730), (748, 108365), (935, 86692), (1870, 43346), (3740, 21673)]