642223040

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42701}}^1$

素因数の和:42765

約数の個数: 56

約数和(自身を含む): 1561868352

約数和(自身を除く): 919645312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 160, 188, 235, 320, 376, 470, 752, 940, 1504, 1880, 3008, 3760, 7520, 15040, 42701, 85402, 170804, 213505, 341608, 427010, 683216, 854020, 1366432, 1708040, 2006947, 2732864, 3416080, 4013894, 6832160, 8027788, 10034735, 13664320, 16055576, 20069470, 32111152, 40138940, 64222304, 80277880, 128444608, 160555760, 321111520, 642223040]

約数ペア:

[(1, 642223040), (2, 321111520), (4, 160555760), (5, 128444608), (8, 80277880), (10, 64222304), (16, 40138940), (20, 32111152), (32, 20069470), (40, 16055576), (47, 13664320), (64, 10034735), (80, 8027788), (94, 6832160), (160, 4013894), (188, 3416080), (235, 2732864), (320, 2006947), (376, 1708040), (470, 1366432), (752, 854020), (940, 683216), (1504, 427010), (1880, 341608), (3008, 213505), (3760, 170804), (7520, 85402), (15040, 42701)]