64815220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{190633}}^1$

素因数の和:190659

約数の個数: 24

約数和(自身を含む): 144119304

約数和(自身を除く): 79304084

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 190633, 381266, 762532, 953165, 1906330, 3240761, 3812660, 6481522, 12963044, 16203805, 32407610, 64815220]

約数ペア:

[(1, 64815220), (2, 32407610), (4, 16203805), (5, 12963044), (10, 6481522), (17, 3812660), (20, 3240761), (34, 1906330), (68, 953165), (85, 762532), (170, 381266), (340, 190633)]