26957500

素因数分解:

$2^2\times 5^4\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:328

約数の個数: 60

約数和(自身を含む): 60618096

約数和(自身を除く): 33660596

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 263, 410, 500, 526, 625, 820, 1025, 1052, 1250, 1315, 2050, 2500, 2630, 4100, 5125, 5260, 6575, 10250, 10783, 13150, 20500, 21566, 25625, 26300, 32875, 43132, 51250, 53915, 65750, 102500, 107830, 131500, 164375, 215660, 269575, 328750, 539150, 657500, 1078300, 1347875, 2695750, 5391500, 6739375, 13478750, 26957500]

約数ペア:

[(1, 26957500), (2, 13478750), (4, 6739375), (5, 5391500), (10, 2695750), (20, 1347875), (25, 1078300), (41, 657500), (50, 539150), (82, 328750), (100, 269575), (125, 215660), (164, 164375), (205, 131500), (250, 107830), (263, 102500), (410, 65750), (500, 53915), (526, 51250), (625, 43132), (820, 32875), (1025, 26300), (1052, 25625), (1250, 21566), (1315, 20500), (2050, 13150), (2500, 10783), (2630, 10250), (4100, 6575), (5125, 5260)]