82709960

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{21317}}^1$

素因数の和:21425

約数の個数: 32

約数和(自身を含む): 188024760

約数和(自身を除く): 105314800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 21317, 42634, 85268, 106585, 170536, 213170, 426340, 852680, 2067749, 4135498, 8270996, 10338745, 16541992, 20677490, 41354980, 82709960]

約数ペア:

[(1, 82709960), (2, 41354980), (4, 20677490), (5, 16541992), (8, 10338745), (10, 8270996), (20, 4135498), (40, 2067749), (97, 852680), (194, 426340), (388, 213170), (485, 170536), (776, 106585), (970, 85268), (1940, 42634), (3880, 21317)]