8513840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3433}}^1$

素因数の和:3477

約数の個数: 40

約数和(自身を含む): 20439168

約数和(自身を除く): 11925328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 3433, 6866, 13732, 17165, 27464, 34330, 54928, 68660, 106423, 137320, 212846, 274640, 425692, 532115, 851384, 1064230, 1702768, 2128460, 4256920, 8513840]

約数ペア:

[(1, 8513840), (2, 4256920), (4, 2128460), (5, 1702768), (8, 1064230), (10, 851384), (16, 532115), (20, 425692), (31, 274640), (40, 212846), (62, 137320), (80, 106423), (124, 68660), (155, 54928), (248, 34330), (310, 27464), (496, 17165), (620, 13732), (1240, 6866), (2480, 3433)]