66406250

素因数分解:

$2^1\times 5^9\times {\mathrm{17}}^1$

素因数の和:64

約数の個数: 40

約数和(自身を含む): 131835924

約数和(自身を除く): 65429674

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 625, 850, 1250, 2125, 3125, 4250, 6250, 10625, 15625, 21250, 31250, 53125, 78125, 106250, 156250, 265625, 390625, 531250, 781250, 1328125, 1953125, 2656250, 3906250, 6640625, 13281250, 33203125, 66406250]

約数ペア:

[(1, 66406250), (2, 33203125), (5, 13281250), (10, 6640625), (17, 3906250), (25, 2656250), (34, 1953125), (50, 1328125), (85, 781250), (125, 531250), (170, 390625), (250, 265625), (425, 156250), (625, 106250), (850, 78125), (1250, 53125), (2125, 31250), (3125, 21250), (4250, 15625), (6250, 10625)]