39289880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{140321}}^1$

素因数の和:140339

約数の個数: 32

約数和(自身を含む): 101031840

約数和(自身を除く): 61741960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 140321, 280642, 561284, 701605, 982247, 1122568, 1403210, 1964494, 2806420, 3928988, 4911235, 5612840, 7857976, 9822470, 19644940, 39289880]

約数ペア:

[(1, 39289880), (2, 19644940), (4, 9822470), (5, 7857976), (7, 5612840), (8, 4911235), (10, 3928988), (14, 2806420), (20, 1964494), (28, 1403210), (35, 1122568), (40, 982247), (56, 701605), (70, 561284), (140, 280642), (280, 140321)]