72158540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2557}}^1$

素因数の和:2666

約数の個数: 48

約数和(自身を含む): 162443232

約数和(自身を除く): 90284692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 332, 340, 415, 830, 1411, 1660, 2557, 2822, 5114, 5644, 7055, 10228, 12785, 14110, 25570, 28220, 43469, 51140, 86938, 173876, 212231, 217345, 424462, 434690, 848924, 869380, 1061155, 2122310, 3607927, 4244620, 7215854, 14431708, 18039635, 36079270, 72158540]

約数ペア:

[(1, 72158540), (2, 36079270), (4, 18039635), (5, 14431708), (10, 7215854), (17, 4244620), (20, 3607927), (34, 2122310), (68, 1061155), (83, 869380), (85, 848924), (166, 434690), (170, 424462), (332, 217345), (340, 212231), (415, 173876), (830, 86938), (1411, 51140), (1660, 43469), (2557, 28220), (2822, 25570), (5114, 14110), (5644, 12785), (7055, 10228)]