80891648

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{10193}}^1$

素因数の和:10240

約数の個数: 36

約数和(自身を含む): 166692288

約数和(自身を除く): 85800640

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 10193, 20386, 40772, 81544, 163088, 315983, 326176, 631966, 652352, 1263932, 1304704, 2527864, 2609408, 5055728, 10111456, 20222912, 40445824, 80891648]

約数ペア:

[(1, 80891648), (2, 40445824), (4, 20222912), (8, 10111456), (16, 5055728), (31, 2609408), (32, 2527864), (62, 1304704), (64, 1263932), (124, 652352), (128, 631966), (248, 326176), (256, 315983), (496, 163088), (992, 81544), (1984, 40772), (3968, 20386), (7936, 10193)]