51662740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{809}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 113218560

約数和(自身を除く): 61555820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 412, 515, 620, 809, 1030, 1618, 2060, 3193, 3236, 4045, 6386, 8090, 12772, 15965, 16180, 25079, 31930, 50158, 63860, 83327, 100316, 125395, 166654, 250790, 333308, 416635, 501580, 833270, 1666540, 2583137, 5166274, 10332548, 12915685, 25831370, 51662740]

約数ペア:

[(1, 51662740), (2, 25831370), (4, 12915685), (5, 10332548), (10, 5166274), (20, 2583137), (31, 1666540), (62, 833270), (103, 501580), (124, 416635), (155, 333308), (206, 250790), (310, 166654), (412, 125395), (515, 100316), (620, 83327), (809, 63860), (1030, 50158), (1618, 31930), (2060, 25079), (3193, 16180), (3236, 15965), (4045, 12772), (6386, 8090)]