145474060

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{81727}}^1$

素因数の和:81825

約数の個数: 24

約数和(自身を含む): 308931840

約数和(自身を除く): 163457780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 81727, 163454, 326908, 408635, 817270, 1634540, 7273703, 14547406, 29094812, 36368515, 72737030, 145474060]

約数ペア:

[(1, 145474060), (2, 72737030), (4, 36368515), (5, 29094812), (10, 14547406), (20, 7273703), (89, 1634540), (178, 817270), (356, 408635), (445, 326908), (890, 163454), (1780, 81727)]