90233720

素因数分解:

$2^3\times 5^1\times {\mathrm{823}}^1\times {\mathrm{2741}}^1$

素因数の和:3575

約数の個数: 32

約数和(自身を含む): 203346720

約数和(自身を除く): 113113000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 823, 1646, 2741, 3292, 4115, 5482, 6584, 8230, 10964, 13705, 16460, 21928, 27410, 32920, 54820, 109640, 2255843, 4511686, 9023372, 11279215, 18046744, 22558430, 45116860, 90233720]

約数ペア:

[(1, 90233720), (2, 45116860), (4, 22558430), (5, 18046744), (8, 11279215), (10, 9023372), (20, 4511686), (40, 2255843), (823, 109640), (1646, 54820), (2741, 32920), (3292, 27410), (4115, 21928), (5482, 16460), (6584, 13705), (8230, 10964)]