208162520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167873}}^1$

素因数の和:167915

約数の個数: 32

約数和(自身を含む): 483477120

約数和(自身を除く): 275314600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 167873, 335746, 671492, 839365, 1342984, 1678730, 3357460, 5204063, 6714920, 10408126, 20816252, 26020315, 41632504, 52040630, 104081260, 208162520]

約数ペア:

[(1, 208162520), (2, 104081260), (4, 52040630), (5, 41632504), (8, 26020315), (10, 20816252), (20, 10408126), (31, 6714920), (40, 5204063), (62, 3357460), (124, 1678730), (155, 1342984), (248, 839365), (310, 671492), (620, 335746), (1240, 167873)]