328049532080

素因数分解:

$2^4\times 5^1\times {\mathrm{9721}}^1\times {\mathrm{421831}}^1$

素因数の和:431565

約数の個数: 40

約数和(自身を含む): 762795430944

約数和(自身を除く): 434745898864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9721, 19442, 38884, 48605, 77768, 97210, 155536, 194420, 388840, 421831, 777680, 843662, 1687324, 2109155, 3374648, 4218310, 6749296, 8436620, 16873240, 33746480, 4100619151, 8201238302, 16402476604, 20503095755, 32804953208, 41006191510, 65609906416, 82012383020, 164024766040, 328049532080]

約数ペア:

[(1, 328049532080), (2, 164024766040), (4, 82012383020), (5, 65609906416), (8, 41006191510), (10, 32804953208), (16, 20503095755), (20, 16402476604), (40, 8201238302), (80, 4100619151), (9721, 33746480), (19442, 16873240), (38884, 8436620), (48605, 6749296), (77768, 4218310), (97210, 3374648), (155536, 2109155), (194420, 1687324), (388840, 843662), (421831, 777680)]