8266250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:428

約数の個数: 40

約数和(自身を含む): 16447860

約数和(自身を除く): 8181610

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 389, 425, 625, 778, 850, 1250, 1945, 2125, 3890, 4250, 6613, 9725, 10625, 13226, 19450, 21250, 33065, 48625, 66130, 97250, 165325, 243125, 330650, 486250, 826625, 1653250, 4133125, 8266250]

約数ペア:

[(1, 8266250), (2, 4133125), (5, 1653250), (10, 826625), (17, 486250), (25, 330650), (34, 243125), (50, 165325), (85, 97250), (125, 66130), (170, 48625), (250, 33065), (389, 21250), (425, 19450), (625, 13226), (778, 10625), (850, 9725), (1250, 6613), (1945, 4250), (2125, 3890)]