80581984

素因数分解:

$2^5\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2207}}^1$

素因数の和:2387

約数の個数: 48

約数和(自身を含む): 182504448

約数和(自身を除く): 101922464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 163, 224, 326, 652, 1141, 1304, 2207, 2282, 2608, 4414, 4564, 5216, 8828, 9128, 15449, 17656, 18256, 30898, 35312, 36512, 61796, 70624, 123592, 247184, 359741, 494368, 719482, 1438964, 2518187, 2877928, 5036374, 5755856, 10072748, 11511712, 20145496, 40290992, 80581984]

約数ペア:

[(1, 80581984), (2, 40290992), (4, 20145496), (7, 11511712), (8, 10072748), (14, 5755856), (16, 5036374), (28, 2877928), (32, 2518187), (56, 1438964), (112, 719482), (163, 494368), (224, 359741), (326, 247184), (652, 123592), (1141, 70624), (1304, 61796), (2207, 36512), (2282, 35312), (2608, 30898), (4414, 18256), (4564, 17656), (5216, 15449), (8828, 9128)]