80974816

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3191}}^1$

素因数の和:3275

約数の個数: 48

約数和(自身を含む): 174551328

約数和(自身を除く): 93576512

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 208, 244, 416, 488, 793, 976, 1586, 1952, 3172, 3191, 6344, 6382, 12688, 12764, 25376, 25528, 41483, 51056, 82966, 102112, 165932, 194651, 331864, 389302, 663728, 778604, 1327456, 1557208, 2530463, 3114416, 5060926, 6228832, 10121852, 20243704, 40487408, 80974816]

約数ペア:

[(1, 80974816), (2, 40487408), (4, 20243704), (8, 10121852), (13, 6228832), (16, 5060926), (26, 3114416), (32, 2530463), (52, 1557208), (61, 1327456), (104, 778604), (122, 663728), (208, 389302), (244, 331864), (416, 194651), (488, 165932), (793, 102112), (976, 82966), (1586, 51056), (1952, 41483), (3172, 25528), (3191, 25376), (6344, 12764), (6382, 12688)]