42656620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 93477888

約数和(自身を除く): 50821268

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 107, 124, 155, 214, 310, 428, 535, 620, 643, 1070, 1286, 2140, 2572, 3215, 3317, 6430, 6634, 12860, 13268, 16585, 19933, 33170, 39866, 66340, 68801, 79732, 99665, 137602, 199330, 275204, 344005, 398660, 688010, 1376020, 2132831, 4265662, 8531324, 10664155, 21328310, 42656620]

約数ペア:

[(1, 42656620), (2, 21328310), (4, 10664155), (5, 8531324), (10, 4265662), (20, 2132831), (31, 1376020), (62, 688010), (107, 398660), (124, 344005), (155, 275204), (214, 199330), (310, 137602), (428, 99665), (535, 79732), (620, 68801), (643, 66340), (1070, 39866), (1286, 33170), (2140, 19933), (2572, 16585), (3215, 13268), (3317, 12860), (6430, 6634)]