167490640

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4973}}^1$

素因数の和:5407

約数の個数: 40

約数和(自身を含む): 390419208

約数和(自身を除く): 222928568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 3368, 4210, 4973, 6736, 8420, 9946, 16840, 19892, 24865, 33680, 39784, 49730, 79568, 99460, 198920, 397840, 2093633, 4187266, 8374532, 10468165, 16749064, 20936330, 33498128, 41872660, 83745320, 167490640]

約数ペア:

[(1, 167490640), (2, 83745320), (4, 41872660), (5, 33498128), (8, 20936330), (10, 16749064), (16, 10468165), (20, 8374532), (40, 4187266), (80, 2093633), (421, 397840), (842, 198920), (1684, 99460), (2105, 79568), (3368, 49730), (4210, 39784), (4973, 33680), (6736, 24865), (8420, 19892), (9946, 16840)]