13478750

素因数分解:

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

素因数の和:326

約数の個数: 40

約数和(自身を含む): 25979184

約数和(自身を除く): 12500434

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 263, 410, 526, 625, 1025, 1250, 1315, 2050, 2630, 5125, 6575, 10250, 10783, 13150, 21566, 25625, 32875, 51250, 53915, 65750, 107830, 164375, 269575, 328750, 539150, 1347875, 2695750, 6739375, 13478750]

約数ペア:

[(1, 13478750), (2, 6739375), (5, 2695750), (10, 1347875), (25, 539150), (41, 328750), (50, 269575), (82, 164375), (125, 107830), (205, 65750), (250, 53915), (263, 51250), (410, 32875), (526, 25625), (625, 21566), (1025, 13150), (1250, 10783), (1315, 10250), (2050, 6575), (2630, 5125)]