164026540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{787}}^1$

素因数の和:1426

約数の個数: 48

約数和(自身を含む): 365776992

約数和(自身を除く): 201750452

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 613, 787, 1226, 1574, 2452, 3065, 3148, 3935, 6130, 7870, 10421, 12260, 13379, 15740, 20842, 26758, 41684, 52105, 53516, 66895, 104210, 133790, 208420, 267580, 482431, 964862, 1929724, 2412155, 4824310, 8201327, 9648620, 16402654, 32805308, 41006635, 82013270, 164026540]

約数ペア:

[(1, 164026540), (2, 82013270), (4, 41006635), (5, 32805308), (10, 16402654), (17, 9648620), (20, 8201327), (34, 4824310), (68, 2412155), (85, 1929724), (170, 964862), (340, 482431), (613, 267580), (787, 208420), (1226, 133790), (1574, 104210), (2452, 66895), (3065, 53516), (3148, 52105), (3935, 41684), (6130, 26758), (7870, 20842), (10421, 15740), (12260, 13379)]