4385940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5623}}^1$

素因数の和:5648

約数の個数: 48

約数和(自身を含む): 13227648

約数和(自身を除く): 8841708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 5623, 11246, 16869, 22492, 28115, 33738, 56230, 67476, 73099, 84345, 112460, 146198, 168690, 219297, 292396, 337380, 365495, 438594, 730990, 877188, 1096485, 1461980, 2192970, 4385940]

約数ペア:

[(1, 4385940), (2, 2192970), (3, 1461980), (4, 1096485), (5, 877188), (6, 730990), (10, 438594), (12, 365495), (13, 337380), (15, 292396), (20, 219297), (26, 168690), (30, 146198), (39, 112460), (52, 84345), (60, 73099), (65, 67476), (78, 56230), (130, 33738), (156, 28115), (195, 22492), (260, 16869), (390, 11246), (780, 5623)]