89204980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{143879}}^1$

素因数の和:143919

約数の個数: 24

約数和(自身を含む): 193374720

約数和(自身を除く): 104169740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 143879, 287758, 575516, 719395, 1438790, 2877580, 4460249, 8920498, 17840996, 22301245, 44602490, 89204980]

約数ペア:

[(1, 89204980), (2, 44602490), (4, 22301245), (5, 17840996), (10, 8920498), (20, 4460249), (31, 2877580), (62, 1438790), (124, 719395), (155, 575516), (310, 287758), (620, 143879)]