67420400

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{4111}}^1$

素因数の和:4170

約数の個数: 60

約数和(自身を含む): 165968544

約数和(自身を除く): 98548144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 2050, 3280, 4100, 4111, 8200, 8222, 16400, 16444, 20555, 32888, 41110, 65776, 82220, 102775, 164440, 168551, 205550, 328880, 337102, 411100, 674204, 822200, 842755, 1348408, 1644400, 1685510, 2696816, 3371020, 4213775, 6742040, 8427550, 13484080, 16855100, 33710200, 67420400]

約数ペア:

[(1, 67420400), (2, 33710200), (4, 16855100), (5, 13484080), (8, 8427550), (10, 6742040), (16, 4213775), (20, 3371020), (25, 2696816), (40, 1685510), (41, 1644400), (50, 1348408), (80, 842755), (82, 822200), (100, 674204), (164, 411100), (200, 337102), (205, 328880), (328, 205550), (400, 168551), (410, 164440), (656, 102775), (820, 82220), (1025, 65776), (1640, 41110), (2050, 32888), (3280, 20555), (4100, 16444), (4111, 16400), (8200, 8222)]