25280020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{74353}}^1$

素因数の和:74379

約数の個数: 24

約数和(自身を含む): 56211624

約数和(自身を除く): 30931604

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 74353, 148706, 297412, 371765, 743530, 1264001, 1487060, 2528002, 5056004, 6320005, 12640010, 25280020]

約数ペア:

[(1, 25280020), (2, 12640010), (4, 6320005), (5, 5056004), (10, 2528002), (17, 1487060), (20, 1264001), (34, 743530), (68, 371765), (85, 297412), (170, 148706), (340, 74353)]