53172760

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8467}}^1$

素因数の和:8635

約数の個数: 32

約数和(自身を含む): 120414960

約数和(自身を除く): 67242200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 8467, 16934, 33868, 42335, 67736, 84670, 169340, 338680, 1329319, 2658638, 5317276, 6646595, 10634552, 13293190, 26586380, 53172760]

約数ペア:

[(1, 53172760), (2, 26586380), (4, 13293190), (5, 10634552), (8, 6646595), (10, 5317276), (20, 2658638), (40, 1329319), (157, 338680), (314, 169340), (628, 84670), (785, 67736), (1256, 42335), (1570, 33868), (3140, 16934), (6280, 8467)]