7296220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4099}}^1$

素因数の和:4197

約数の個数: 24

約数和(自身を含む): 15498000

約数和(自身を除く): 8201780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 4099, 8198, 16396, 20495, 40990, 81980, 364811, 729622, 1459244, 1824055, 3648110, 7296220]

約数ペア:

[(1, 7296220), (2, 3648110), (4, 1824055), (5, 1459244), (10, 729622), (20, 364811), (89, 81980), (178, 40990), (356, 20495), (445, 16396), (890, 8198), (1780, 4099)]