89617640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{320063}}^1$

素因数の和:320081

約数の個数: 32

約数和(自身を含む): 230446080

約数和(自身を除く): 140828440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 320063, 640126, 1280252, 1600315, 2240441, 2560504, 3200630, 4480882, 6401260, 8961764, 11202205, 12802520, 17923528, 22404410, 44808820, 89617640]

約数ペア:

[(1, 89617640), (2, 44808820), (4, 22404410), (5, 17923528), (7, 12802520), (8, 11202205), (10, 8961764), (14, 6401260), (20, 4480882), (28, 3200630), (35, 2560504), (40, 2240441), (56, 1600315), (70, 1280252), (140, 640126), (280, 320063)]