164524160

素因数分解:

$2^7\times 5^1\times {\mathrm{257069}}^1$

素因数の和:257088

約数の個数: 32

約数和(自身を含む): 393317100

約数和(自身を除く): 228792940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 257069, 514138, 1028276, 1285345, 2056552, 2570690, 4113104, 5141380, 8226208, 10282760, 16452416, 20565520, 32904832, 41131040, 82262080, 164524160]

約数ペア:

[(1, 164524160), (2, 82262080), (4, 41131040), (5, 32904832), (8, 20565520), (10, 16452416), (16, 10282760), (20, 8226208), (32, 5141380), (40, 4113104), (64, 2570690), (80, 2056552), (128, 1285345), (160, 1028276), (320, 514138), (640, 257069)]