80493563560

素因数分解:

$2^3\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{1634719}}^1$

素因数の和:1635961

約数の個数: 32

約数和(自身を含む): 181257753600

約数和(自身を除く): 100764190040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1231, 2462, 4924, 6155, 9848, 12310, 24620, 49240, 1634719, 3269438, 6538876, 8173595, 13077752, 16347190, 32694380, 65388760, 2012339089, 4024678178, 8049356356, 10061695445, 16098712712, 20123390890, 40246781780, 80493563560]

約数ペア:

[(1, 80493563560), (2, 40246781780), (4, 20123390890), (5, 16098712712), (8, 10061695445), (10, 8049356356), (20, 4024678178), (40, 2012339089), (1231, 65388760), (2462, 32694380), (4924, 16347190), (6155, 13077752), (9848, 8173595), (12310, 6538876), (24620, 3269438), (49240, 1634719)]