1566995020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{6317}}^1$

素因数の和:6562

約数の個数: 48

約数和(自身を含む): 3354099840

約数和(自身を除く): 1787104820

約数列:

[1, 2, 4, 5, 10, 20, 79, 157, 158, 314, 316, 395, 628, 785, 790, 1570, 1580, 3140, 6317, 12403, 12634, 24806, 25268, 31585, 49612, 62015, 63170, 124030, 126340, 248060, 499043, 991769, 998086, 1983538, 1996172, 2495215, 3967076, 4958845, 4990430, 9917690, 9980860, 19835380, 78349751, 156699502, 313399004, 391748755, 783497510, 1566995020]

約数ペア:

[(1, 1566995020), (2, 783497510), (4, 391748755), (5, 313399004), (10, 156699502), (20, 78349751), (79, 19835380), (157, 9980860), (158, 9917690), (314, 4990430), (316, 4958845), (395, 3967076), (628, 2495215), (785, 1996172), (790, 1983538), (1570, 998086), (1580, 991769), (3140, 499043), (6317, 248060), (12403, 126340), (12634, 124030), (24806, 63170), (25268, 62015), (31585, 49612)]