12814960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3907}}^1$

素因数の和:3961

約数の個数: 40

約数和(自身を含む): 30529296

約数和(自身を除く): 17714336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3907, 7814, 15628, 19535, 31256, 39070, 62512, 78140, 156280, 160187, 312560, 320374, 640748, 800935, 1281496, 1601870, 2562992, 3203740, 6407480, 12814960]

約数ペア:

[(1, 12814960), (2, 6407480), (4, 3203740), (5, 2562992), (8, 1601870), (10, 1281496), (16, 800935), (20, 640748), (40, 320374), (41, 312560), (80, 160187), (82, 156280), (164, 78140), (205, 62512), (328, 39070), (410, 31256), (656, 19535), (820, 15628), (1640, 7814), (3280, 3907)]