90345320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173741}}^1$

素因数の和:173765

約数の個数: 32

約数和(自身を含む): 218914920

約数和(自身を除く): 128569600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 173741, 347482, 694964, 868705, 1389928, 1737410, 2258633, 3474820, 4517266, 6949640, 9034532, 11293165, 18069064, 22586330, 45172660, 90345320]

約数ペア:

[(1, 90345320), (2, 45172660), (4, 22586330), (5, 18069064), (8, 11293165), (10, 9034532), (13, 6949640), (20, 4517266), (26, 3474820), (40, 2258633), (52, 1737410), (65, 1389928), (104, 868705), (130, 694964), (260, 347482), (520, 173741)]