1279430020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5815591}}^1$

素因数の和:5815611

約数の個数: 24

約数和(自身を含む): 2931058368

約数和(自身を除く): 1651628348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 5815591, 11631182, 23262364, 29077955, 58155910, 63971501, 116311820, 127943002, 255886004, 319857505, 639715010, 1279430020]

約数ペア:

[(1, 1279430020), (2, 639715010), (4, 319857505), (5, 255886004), (10, 127943002), (11, 116311820), (20, 63971501), (22, 58155910), (44, 29077955), (55, 23262364), (110, 11631182), (220, 5815591)]