82502780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{133069}}^1$

素因数の和:133109

約数の個数: 24

約数和(自身を含む): 178846080

約数和(自身を除く): 96343300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 133069, 266138, 532276, 665345, 1330690, 2661380, 4125139, 8250278, 16500556, 20625695, 41251390, 82502780]

約数ペア:

[(1, 82502780), (2, 41251390), (4, 20625695), (5, 16500556), (10, 8250278), (20, 4125139), (31, 2661380), (62, 1330690), (124, 665345), (155, 532276), (310, 266138), (620, 133069)]