78660525520

素因数分解:

$2^4\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2189881}}^1$

素因数の和:2190343

約数の個数: 40

約数和(自身を含む): 183293123400

約数和(自身を除く): 104632597880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 449, 898, 1796, 2245, 3592, 4490, 7184, 8980, 17960, 35920, 2189881, 4379762, 8759524, 10949405, 17519048, 21898810, 35038096, 43797620, 87595240, 175190480, 983256569, 1966513138, 3933026276, 4916282845, 7866052552, 9832565690, 15732105104, 19665131380, 39330262760, 78660525520]

約数ペア:

[(1, 78660525520), (2, 39330262760), (4, 19665131380), (5, 15732105104), (8, 9832565690), (10, 7866052552), (16, 4916282845), (20, 3933026276), (40, 1966513138), (80, 983256569), (449, 175190480), (898, 87595240), (1796, 43797620), (2245, 35038096), (3592, 21898810), (4490, 17519048), (7184, 10949405), (8980, 8759524), (17960, 4379762), (35920, 2189881)]