25425800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{6691}}^1$

素因数の和:6726

約数の個数: 48

約数和(自身を含む): 62235600

約数和(自身を除く): 36809800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 6691, 13382, 26764, 33455, 53528, 66910, 127129, 133820, 167275, 254258, 267640, 334550, 508516, 635645, 669100, 1017032, 1271290, 1338200, 2542580, 3178225, 5085160, 6356450, 12712900, 25425800]

約数ペア:

[(1, 25425800), (2, 12712900), (4, 6356450), (5, 5085160), (8, 3178225), (10, 2542580), (19, 1338200), (20, 1271290), (25, 1017032), (38, 669100), (40, 635645), (50, 508516), (76, 334550), (95, 267640), (100, 254258), (152, 167275), (190, 133820), (200, 127129), (380, 66910), (475, 53528), (760, 33455), (950, 26764), (1900, 13382), (3800, 6691)]