1758972020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{17041}}^1$

素因数の和:17460

約数の個数: 48

約数和(自身を含む): 3988237008

約数和(自身を除く): 2229264988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 397, 794, 1588, 1985, 3970, 5161, 7940, 10322, 17041, 20644, 25805, 34082, 51610, 68164, 85205, 103220, 170410, 221533, 340820, 443066, 886132, 1107665, 2215330, 4430660, 6765277, 13530554, 27061108, 33826385, 67652770, 87948601, 135305540, 175897202, 351794404, 439743005, 879486010, 1758972020]

約数ペア:

[(1, 1758972020), (2, 879486010), (4, 439743005), (5, 351794404), (10, 175897202), (13, 135305540), (20, 87948601), (26, 67652770), (52, 33826385), (65, 27061108), (130, 13530554), (260, 6765277), (397, 4430660), (794, 2215330), (1588, 1107665), (1985, 886132), (3970, 443066), (5161, 340820), (7940, 221533), (10322, 170410), (17041, 103220), (20644, 85205), (25805, 68164), (34082, 51610)]