155682020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{598777}}^1$

素因数の和:598799

約数の個数: 24

約数和(自身を含む): 352081464

約数和(自身を除く): 196399444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 598777, 1197554, 2395108, 2993885, 5987770, 7784101, 11975540, 15568202, 31136404, 38920505, 77841010, 155682020]

約数ペア:

[(1, 155682020), (2, 77841010), (4, 38920505), (5, 31136404), (10, 15568202), (13, 11975540), (20, 7784101), (26, 5987770), (52, 2993885), (65, 2395108), (130, 1197554), (260, 598777)]