28853560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23269}}^1$

素因数の和:23311

約数の個数: 32

約数和(自身を含む): 67017600

約数和(自身を除く): 38164040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 23269, 46538, 93076, 116345, 186152, 232690, 465380, 721339, 930760, 1442678, 2885356, 3606695, 5770712, 7213390, 14426780, 28853560]

約数ペア:

[(1, 28853560), (2, 14426780), (4, 7213390), (5, 5770712), (8, 3606695), (10, 2885356), (20, 1442678), (31, 930760), (40, 721339), (62, 465380), (124, 232690), (155, 186152), (248, 116345), (310, 93076), (620, 46538), (1240, 23269)]