67426640

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{8689}}^1$

素因数の和:8799

約数の個数: 40

約数和(自身を含む): 158401320

約数和(自身を除く): 90974680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 8689, 17378, 34756, 43445, 69512, 86890, 139024, 173780, 347560, 695120, 842833, 1685666, 3371332, 4214165, 6742664, 8428330, 13485328, 16856660, 33713320, 67426640]

約数ペア:

[(1, 67426640), (2, 33713320), (4, 16856660), (5, 13485328), (8, 8428330), (10, 6742664), (16, 4214165), (20, 3371332), (40, 1685666), (80, 842833), (97, 695120), (194, 347560), (388, 173780), (485, 139024), (776, 86890), (970, 69512), (1552, 43445), (1940, 34756), (3880, 17378), (7760, 8689)]