671505740

素因数分解:

$2^2\times 5^1\times {\mathrm{2447}}^1\times {\mathrm{13721}}^1$

素因数の和:16177

約数の個数: 24

約数和(自身を含む): 1410841152

約数和(自身を除く): 739335412

約数列:

[1, 2, 4, 5, 10, 20, 2447, 4894, 9788, 12235, 13721, 24470, 27442, 48940, 54884, 68605, 137210, 274420, 33575287, 67150574, 134301148, 167876435, 335752870, 671505740]

約数ペア:

[(1, 671505740), (2, 335752870), (4, 167876435), (5, 134301148), (10, 67150574), (20, 33575287), (2447, 274420), (4894, 137210), (9788, 68605), (12235, 54884), (13721, 48940), (24470, 27442)]