39662740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1931}}^1$

素因数の和:2032

約数の個数: 48

約数和(自身を含む): 90881280

約数和(自身を除く): 51218540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 1931, 2054, 3862, 4108, 5135, 7724, 9655, 10270, 19310, 20540, 25103, 38620, 50206, 100412, 125515, 152549, 251030, 305098, 502060, 610196, 762745, 1525490, 1983137, 3050980, 3966274, 7932548, 9915685, 19831370, 39662740]

約数ペア:

[(1, 39662740), (2, 19831370), (4, 9915685), (5, 7932548), (10, 3966274), (13, 3050980), (20, 1983137), (26, 1525490), (52, 762745), (65, 610196), (79, 502060), (130, 305098), (158, 251030), (260, 152549), (316, 125515), (395, 100412), (790, 50206), (1027, 38620), (1580, 25103), (1931, 20540), (2054, 19310), (3862, 10270), (4108, 9655), (5135, 7724)]