7796620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 17837568

約数和(自身を除く): 10040948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 191, 260, 314, 382, 628, 764, 785, 955, 1570, 1910, 2041, 2483, 3140, 3820, 4082, 4966, 8164, 9932, 10205, 12415, 20410, 24830, 29987, 40820, 49660, 59974, 119948, 149935, 299870, 389831, 599740, 779662, 1559324, 1949155, 3898310, 7796620]

約数ペア:

[(1, 7796620), (2, 3898310), (4, 1949155), (5, 1559324), (10, 779662), (13, 599740), (20, 389831), (26, 299870), (52, 149935), (65, 119948), (130, 59974), (157, 49660), (191, 40820), (260, 29987), (314, 24830), (382, 20410), (628, 12415), (764, 10205), (785, 9932), (955, 8164), (1570, 4966), (1910, 4082), (2041, 3820), (2483, 3140)]