1961880880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{791081}}^1$

素因数の和:791125

約数の個数: 40

約数和(自身を含む): 4708520064

約数和(自身を除く): 2746639184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 791081, 1582162, 3164324, 3955405, 6328648, 7910810, 12657296, 15821620, 24523511, 31643240, 49047022, 63286480, 98094044, 122617555, 196188088, 245235110, 392376176, 490470220, 980940440, 1961880880]

約数ペア:

[(1, 1961880880), (2, 980940440), (4, 490470220), (5, 392376176), (8, 245235110), (10, 196188088), (16, 122617555), (20, 98094044), (31, 63286480), (40, 49047022), (62, 31643240), (80, 24523511), (124, 15821620), (155, 12657296), (248, 7910810), (310, 6328648), (496, 3955405), (620, 3164324), (1240, 1582162), (2480, 791081)]