91412500

素因数分解:

$2^2\times 5^5\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 204736896

約数和(自身を除く): 113324396

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 103, 125, 142, 206, 250, 284, 355, 412, 500, 515, 625, 710, 1030, 1250, 1420, 1775, 2060, 2500, 2575, 3125, 3550, 5150, 6250, 7100, 7313, 8875, 10300, 12500, 12875, 14626, 17750, 25750, 29252, 35500, 36565, 44375, 51500, 64375, 73130, 88750, 128750, 146260, 177500, 182825, 221875, 257500, 321875, 365650, 443750, 643750, 731300, 887500, 914125, 1287500, 1828250, 3656500, 4570625, 9141250, 18282500, 22853125, 45706250, 91412500]

約数ペア:

[(1, 91412500), (2, 45706250), (4, 22853125), (5, 18282500), (10, 9141250), (20, 4570625), (25, 3656500), (50, 1828250), (71, 1287500), (100, 914125), (103, 887500), (125, 731300), (142, 643750), (206, 443750), (250, 365650), (284, 321875), (355, 257500), (412, 221875), (500, 182825), (515, 177500), (625, 146260), (710, 128750), (1030, 88750), (1250, 73130), (1420, 64375), (1775, 51500), (2060, 44375), (2500, 36565), (2575, 35500), (3125, 29252), (3550, 25750), (5150, 17750), (6250, 14626), (7100, 12875), (7313, 12500), (8875, 10300)]