28570840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23041}}^1$

素因数の和:23083

約数の個数: 32

約数和(自身を含む): 66360960

約数和(自身を除く): 37790120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 23041, 46082, 92164, 115205, 184328, 230410, 460820, 714271, 921640, 1428542, 2857084, 3571355, 5714168, 7142710, 14285420, 28570840]

約数ペア:

[(1, 28570840), (2, 14285420), (4, 7142710), (5, 5714168), (8, 3571355), (10, 2857084), (20, 1428542), (31, 921640), (40, 714271), (62, 460820), (124, 230410), (155, 184328), (248, 115205), (310, 92164), (620, 46082), (1240, 23041)]