89616940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{640121}}^1$

素因数の和:640137

約数の個数: 24

約数和(自身を含む): 215080992

約数和(自身を除く): 125464052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 640121, 1280242, 2560484, 3200605, 4480847, 6401210, 8961694, 12802420, 17923388, 22404235, 44808470, 89616940]

約数ペア:

[(1, 89616940), (2, 44808470), (4, 22404235), (5, 17923388), (7, 12802420), (10, 8961694), (14, 6401210), (20, 4480847), (28, 3200605), (35, 2560484), (70, 1280242), (140, 640121)]