89936840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{321203}}^1$

素因数の和:321221

約数の個数: 32

約数和(自身を含む): 231266880

約数和(自身を除く): 141330040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 321203, 642406, 1284812, 1606015, 2248421, 2569624, 3212030, 4496842, 6424060, 8993684, 11242105, 12848120, 17987368, 22484210, 44968420, 89936840]

約数ペア:

[(1, 89936840), (2, 44968420), (4, 22484210), (5, 17987368), (7, 12848120), (8, 11242105), (10, 8993684), (14, 6424060), (20, 4496842), (28, 3212030), (35, 2569624), (40, 2248421), (56, 1606015), (70, 1284812), (140, 642406), (280, 321203)]