80321800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30893}}^1$

素因数の和:30922

約数の個数: 48

約数和(自身を含む): 201119940

約数和(自身を除く): 120798140

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 30893, 61786, 123572, 154465, 247144, 308930, 401609, 617860, 772325, 803218, 1235720, 1544650, 1606436, 2008045, 3089300, 3212872, 4016090, 6178600, 8032180, 10040225, 16064360, 20080450, 40160900, 80321800]

約数ペア:

[(1, 80321800), (2, 40160900), (4, 20080450), (5, 16064360), (8, 10040225), (10, 8032180), (13, 6178600), (20, 4016090), (25, 3212872), (26, 3089300), (40, 2008045), (50, 1606436), (52, 1544650), (65, 1235720), (100, 803218), (104, 772325), (130, 617860), (200, 401609), (260, 308930), (325, 247144), (520, 154465), (650, 123572), (1300, 61786), (2600, 30893)]