90506440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61153}}^1$

素因数の和:61201

約数の個数: 32

約数和(自身を含む): 209146680

約数和(自身を除く): 118640240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 61153, 122306, 244612, 305765, 489224, 611530, 1223060, 2262661, 2446120, 4525322, 9050644, 11313305, 18101288, 22626610, 45253220, 90506440]

約数ペア:

[(1, 90506440), (2, 45253220), (4, 22626610), (5, 18101288), (8, 11313305), (10, 9050644), (20, 4525322), (37, 2446120), (40, 2262661), (74, 1223060), (148, 611530), (185, 489224), (296, 305765), (370, 244612), (740, 122306), (1480, 61153)]