28553480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23027}}^1$

素因数の和:23069

約数の個数: 32

約数和(自身を含む): 66320640

約数和(自身を除く): 37767160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 23027, 46054, 92108, 115135, 184216, 230270, 460540, 713837, 921080, 1427674, 2855348, 3569185, 5710696, 7138370, 14276740, 28553480]

約数ペア:

[(1, 28553480), (2, 14276740), (4, 7138370), (5, 5710696), (8, 3569185), (10, 2855348), (20, 1427674), (31, 921080), (40, 713837), (62, 460540), (124, 230270), (155, 184216), (248, 115135), (310, 92108), (620, 46054), (1240, 23027)]