25843280

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1531}}^1$

素因数の和:1755

約数の個数: 40

約数和(自身を含む): 60409824

約数和(自身を除く): 34566544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1531, 1688, 2110, 3062, 3376, 4220, 6124, 7655, 8440, 12248, 15310, 16880, 24496, 30620, 61240, 122480, 323041, 646082, 1292164, 1615205, 2584328, 3230410, 5168656, 6460820, 12921640, 25843280]

約数ペア:

[(1, 25843280), (2, 12921640), (4, 6460820), (5, 5168656), (8, 3230410), (10, 2584328), (16, 1615205), (20, 1292164), (40, 646082), (80, 323041), (211, 122480), (422, 61240), (844, 30620), (1055, 24496), (1531, 16880), (1688, 15310), (2110, 12248), (3062, 8440), (3376, 7655), (4220, 6124)]