12758800

素因数分解:

$2^4\times 5^2\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:376

約数の個数: 60

約数和(自身を含む): 30998016

約数和(自身を除く): 18239216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 167, 191, 200, 334, 382, 400, 668, 764, 835, 955, 1336, 1528, 1670, 1910, 2672, 3056, 3340, 3820, 4175, 4775, 6680, 7640, 8350, 9550, 13360, 15280, 16700, 19100, 31897, 33400, 38200, 63794, 66800, 76400, 127588, 159485, 255176, 318970, 510352, 637940, 797425, 1275880, 1594850, 2551760, 3189700, 6379400, 12758800]

約数ペア:

[(1, 12758800), (2, 6379400), (4, 3189700), (5, 2551760), (8, 1594850), (10, 1275880), (16, 797425), (20, 637940), (25, 510352), (40, 318970), (50, 255176), (80, 159485), (100, 127588), (167, 76400), (191, 66800), (200, 63794), (334, 38200), (382, 33400), (400, 31897), (668, 19100), (764, 16700), (835, 15280), (955, 13360), (1336, 9550), (1528, 8350), (1670, 7640), (1910, 6680), (2672, 4775), (3056, 4175), (3340, 3820)]