251538160

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{11351}}^1$

素因数の和:11641

約数の個数: 40

約数和(自身を含む): 586989216

約数和(自身を除く): 335451056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 1108, 1385, 2216, 2770, 4432, 5540, 11080, 11351, 22160, 22702, 45404, 56755, 90808, 113510, 181616, 227020, 454040, 908080, 3144227, 6288454, 12576908, 15721135, 25153816, 31442270, 50307632, 62884540, 125769080, 251538160]

約数ペア:

[(1, 251538160), (2, 125769080), (4, 62884540), (5, 50307632), (8, 31442270), (10, 25153816), (16, 15721135), (20, 12576908), (40, 6288454), (80, 3144227), (277, 908080), (554, 454040), (1108, 227020), (1385, 181616), (2216, 113510), (2770, 90808), (4432, 56755), (5540, 45404), (11080, 22702), (11351, 22160)]