42180560

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{5119}}^1$

素因数の和:5235

約数の個数: 40

約数和(自身を含む): 99041280

約数和(自身を除く): 56860720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 5119, 8240, 10238, 20476, 25595, 40952, 51190, 81904, 102380, 204760, 409520, 527257, 1054514, 2109028, 2636285, 4218056, 5272570, 8436112, 10545140, 21090280, 42180560]

約数ペア:

[(1, 42180560), (2, 21090280), (4, 10545140), (5, 8436112), (8, 5272570), (10, 4218056), (16, 2636285), (20, 2109028), (40, 1054514), (80, 527257), (103, 409520), (206, 204760), (412, 102380), (515, 81904), (824, 51190), (1030, 40952), (1648, 25595), (2060, 20476), (4120, 10238), (5119, 8240)]