79428280

素因数分解:

$2^3\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{1531}}^1$

素因数の和:2839

約数の個数: 32

約数和(自身を含む): 178968240

約数和(自身を除く): 99539960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1297, 1531, 2594, 3062, 5188, 6124, 6485, 7655, 10376, 12248, 12970, 15310, 25940, 30620, 51880, 61240, 1985707, 3971414, 7942828, 9928535, 15885656, 19857070, 39714140, 79428280]

約数ペア:

[(1, 79428280), (2, 39714140), (4, 19857070), (5, 15885656), (8, 9928535), (10, 7942828), (20, 3971414), (40, 1985707), (1297, 61240), (1531, 51880), (2594, 30620), (3062, 25940), (5188, 15310), (6124, 12970), (6485, 12248), (7655, 10376)]