128164160

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4129}}^1$

素因数の和:4243

約数の個数: 56

約数和(自身を含む): 308411880

約数和(自身を除く): 180247720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 4129, 6208, 7760, 8258, 15520, 16516, 20645, 31040, 33032, 41290, 66064, 82580, 132128, 165160, 264256, 330320, 400513, 660640, 801026, 1321280, 1602052, 2002565, 3204104, 4005130, 6408208, 8010260, 12816416, 16020520, 25632832, 32041040, 64082080, 128164160]

約数ペア:

[(1, 128164160), (2, 64082080), (4, 32041040), (5, 25632832), (8, 16020520), (10, 12816416), (16, 8010260), (20, 6408208), (32, 4005130), (40, 3204104), (64, 2002565), (80, 1602052), (97, 1321280), (160, 801026), (194, 660640), (320, 400513), (388, 330320), (485, 264256), (776, 165160), (970, 132128), (1552, 82580), (1940, 66064), (3104, 41290), (3880, 33032), (4129, 31040), (6208, 20645), (7760, 16516), (8258, 15520)]