61312640

素因数分解:

$2^7\times 5^1\times {\mathrm{95801}}^1$

素因数の和:95820

約数の個数: 32

約数和(自身を含む): 146577060

約数和(自身を除く): 85264420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 95801, 191602, 383204, 479005, 766408, 958010, 1532816, 1916020, 3065632, 3832040, 6131264, 7664080, 12262528, 15328160, 30656320, 61312640]

約数ペア:

[(1, 61312640), (2, 30656320), (4, 15328160), (5, 12262528), (8, 7664080), (10, 6131264), (16, 3832040), (20, 3065632), (32, 1916020), (40, 1532816), (64, 958010), (80, 766408), (128, 479005), (160, 383204), (320, 191602), (640, 95801)]