1566780020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{82549}}^1$

素因数の和:82644

約数の個数: 48

約数和(自身を含む): 3591915600

約数和(自身を除く): 2025135580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 9490, 18980, 82549, 165098, 330196, 412745, 825490, 1073137, 1650980, 2146274, 4292548, 5365685, 6026077, 10731370, 12052154, 21462740, 24104308, 30130385, 60260770, 78339001, 120521540, 156678002, 313356004, 391695005, 783390010, 1566780020]

約数ペア:

[(1, 1566780020), (2, 783390010), (4, 391695005), (5, 313356004), (10, 156678002), (13, 120521540), (20, 78339001), (26, 60260770), (52, 30130385), (65, 24104308), (73, 21462740), (130, 12052154), (146, 10731370), (260, 6026077), (292, 5365685), (365, 4292548), (730, 2146274), (949, 1650980), (1460, 1073137), (1898, 825490), (3796, 412745), (4745, 330196), (9490, 165098), (18980, 82549)]