56865680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41813}}^1$

素因数の和:41843

約数の個数: 40

約数和(自身を含む): 139993272

約数和(自身を除く): 83127592

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 41813, 83626, 167252, 209065, 334504, 418130, 669008, 710821, 836260, 1421642, 1672520, 2843284, 3345040, 3554105, 5686568, 7108210, 11373136, 14216420, 28432840, 56865680]

約数ペア:

[(1, 56865680), (2, 28432840), (4, 14216420), (5, 11373136), (8, 7108210), (10, 5686568), (16, 3554105), (17, 3345040), (20, 2843284), (34, 1672520), (40, 1421642), (68, 836260), (80, 710821), (85, 669008), (136, 418130), (170, 334504), (272, 209065), (340, 167252), (680, 83626), (1360, 41813)]