88571720

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{16903}}^1$

素因数の和:17045

約数の個数: 32

約数和(自身を含む): 200819520

約数和(自身を除く): 112247800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 16903, 33806, 67612, 84515, 135224, 169030, 338060, 676120, 2214293, 4428586, 8857172, 11071465, 17714344, 22142930, 44285860, 88571720]

約数ペア:

[(1, 88571720), (2, 44285860), (4, 22142930), (5, 17714344), (8, 11071465), (10, 8857172), (20, 4428586), (40, 2214293), (131, 676120), (262, 338060), (524, 169030), (655, 135224), (1048, 84515), (1310, 67612), (2620, 33806), (5240, 16903)]