80853380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{587}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 174254976

約数和(自身を除く): 93401596

約数列:

[1, 2, 4, 5, 10, 20, 71, 97, 142, 194, 284, 355, 388, 485, 587, 710, 970, 1174, 1420, 1940, 2348, 2935, 5870, 6887, 11740, 13774, 27548, 34435, 41677, 56939, 68870, 83354, 113878, 137740, 166708, 208385, 227756, 284695, 416770, 569390, 833540, 1138780, 4042669, 8085338, 16170676, 20213345, 40426690, 80853380]

約数ペア:

[(1, 80853380), (2, 40426690), (4, 20213345), (5, 16170676), (10, 8085338), (20, 4042669), (71, 1138780), (97, 833540), (142, 569390), (194, 416770), (284, 284695), (355, 227756), (388, 208385), (485, 166708), (587, 137740), (710, 113878), (970, 83354), (1174, 68870), (1420, 56939), (1940, 41677), (2348, 34435), (2935, 27548), (5870, 13774), (6887, 11740)]