2561560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3767}}^1$

素因数の和:3795

約数の個数: 32

約数和(自身を含む): 6104160

約数和(自身を除く): 3542600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 3767, 7534, 15068, 18835, 30136, 37670, 64039, 75340, 128078, 150680, 256156, 320195, 512312, 640390, 1280780, 2561560]

約数ペア:

[(1, 2561560), (2, 1280780), (4, 640390), (5, 512312), (8, 320195), (10, 256156), (17, 150680), (20, 128078), (34, 75340), (40, 64039), (68, 37670), (85, 30136), (136, 18835), (170, 15068), (340, 7534), (680, 3767)]