87763240

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{6323}}^1$

素因数の和:6681

約数の個数: 32

約数和(自身を含む): 198067680

約数和(自身を除く): 110304440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 6323, 6940, 12646, 13880, 25292, 31615, 50584, 63230, 126460, 252920, 2194081, 4388162, 8776324, 10970405, 17552648, 21940810, 43881620, 87763240]

約数ペア:

[(1, 87763240), (2, 43881620), (4, 21940810), (5, 17552648), (8, 10970405), (10, 8776324), (20, 4388162), (40, 2194081), (347, 252920), (694, 126460), (1388, 63230), (1735, 50584), (2776, 31615), (3470, 25292), (6323, 13880), (6940, 12646)]