78496280

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20231}}^1$

素因数の和:20339

約数の個数: 32

約数和(自身を含む): 178446240

約数和(自身を除く): 99949960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 20231, 40462, 80924, 101155, 161848, 202310, 404620, 809240, 1962407, 3924814, 7849628, 9812035, 15699256, 19624070, 39248140, 78496280]

約数ペア:

[(1, 78496280), (2, 39248140), (4, 19624070), (5, 15699256), (8, 9812035), (10, 7849628), (20, 3924814), (40, 1962407), (97, 809240), (194, 404620), (388, 202310), (485, 161848), (776, 101155), (970, 80924), (1940, 40462), (3880, 20231)]