28432840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41813}}^1$

素因数の和:41841

約数の個数: 32

約数和(自身を含む): 67738680

約数和(自身を除く): 39305840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 41813, 83626, 167252, 209065, 334504, 418130, 710821, 836260, 1421642, 1672520, 2843284, 3554105, 5686568, 7108210, 14216420, 28432840]

約数ペア:

[(1, 28432840), (2, 14216420), (4, 7108210), (5, 5686568), (8, 3554105), (10, 2843284), (17, 1672520), (20, 1421642), (34, 836260), (40, 710821), (68, 418130), (85, 334504), (136, 209065), (170, 167252), (340, 83626), (680, 41813)]