65531800

素因数分解:

$2^3\times 5^2\times {\mathrm{157}}^1\times {\mathrm{2087}}^1$

素因数の和:2260

約数の個数: 48

約数和(自身を含む): 153405360

約数和(自身を除く): 87873560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 157, 200, 314, 628, 785, 1256, 1570, 2087, 3140, 3925, 4174, 6280, 7850, 8348, 10435, 15700, 16696, 20870, 31400, 41740, 52175, 83480, 104350, 208700, 327659, 417400, 655318, 1310636, 1638295, 2621272, 3276590, 6553180, 8191475, 13106360, 16382950, 32765900, 65531800]

約数ペア:

[(1, 65531800), (2, 32765900), (4, 16382950), (5, 13106360), (8, 8191475), (10, 6553180), (20, 3276590), (25, 2621272), (40, 1638295), (50, 1310636), (100, 655318), (157, 417400), (200, 327659), (314, 208700), (628, 104350), (785, 83480), (1256, 52175), (1570, 41740), (2087, 31400), (3140, 20870), (3925, 16696), (4174, 15700), (6280, 10435), (7850, 8348)]