788964020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{5333}}^1$

素因数の和:5924

約数の個数: 48

約数和(自身を含む): 1787743440

約数和(自身を除く): 998779420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 569, 1138, 2276, 2845, 5333, 5690, 7397, 10666, 11380, 14794, 21332, 26665, 29588, 36985, 53330, 69329, 73970, 106660, 138658, 147940, 277316, 346645, 693290, 1386580, 3034477, 6068954, 12137908, 15172385, 30344770, 39448201, 60689540, 78896402, 157792804, 197241005, 394482010, 788964020]

約数ペア:

[(1, 788964020), (2, 394482010), (4, 197241005), (5, 157792804), (10, 78896402), (13, 60689540), (20, 39448201), (26, 30344770), (52, 15172385), (65, 12137908), (130, 6068954), (260, 3034477), (569, 1386580), (1138, 693290), (2276, 346645), (2845, 277316), (5333, 147940), (5690, 138658), (7397, 106660), (10666, 73970), (11380, 69329), (14794, 53330), (21332, 36985), (26665, 29588)]