164024766040

素因数分解:

$2^3\times 5^1\times {\mathrm{9721}}^1\times {\mathrm{421831}}^1$

素因数の和:431563

約数の個数: 32

約数和(自身を含む): 369094563360

約数和(自身を除く): 205069797320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9721, 19442, 38884, 48605, 77768, 97210, 194420, 388840, 421831, 843662, 1687324, 2109155, 3374648, 4218310, 8436620, 16873240, 4100619151, 8201238302, 16402476604, 20503095755, 32804953208, 41006191510, 82012383020, 164024766040]

約数ペア:

[(1, 164024766040), (2, 82012383020), (4, 41006191510), (5, 32804953208), (8, 20503095755), (10, 16402476604), (20, 8201238302), (40, 4100619151), (9721, 16873240), (19442, 8436620), (38884, 4218310), (48605, 3374648), (77768, 2109155), (97210, 1687324), (194420, 843662), (388840, 421831)]