64688500

素因数分解:

$2^2\times 5^3\times {\mathrm{67}}^1\times {\mathrm{1931}}^1$

素因数の和:2017

約数の個数: 48

約数和(自身を含む): 143462592

約数和(自身を除く): 78774092

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 125, 134, 250, 268, 335, 500, 670, 1340, 1675, 1931, 3350, 3862, 6700, 7724, 8375, 9655, 16750, 19310, 33500, 38620, 48275, 96550, 129377, 193100, 241375, 258754, 482750, 517508, 646885, 965500, 1293770, 2587540, 3234425, 6468850, 12937700, 16172125, 32344250, 64688500]

約数ペア:

[(1, 64688500), (2, 32344250), (4, 16172125), (5, 12937700), (10, 6468850), (20, 3234425), (25, 2587540), (50, 1293770), (67, 965500), (100, 646885), (125, 517508), (134, 482750), (250, 258754), (268, 241375), (335, 193100), (500, 129377), (670, 96550), (1340, 48275), (1675, 38620), (1931, 33500), (3350, 19310), (3862, 16750), (6700, 9655), (7724, 8375)]