656684628520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{965712689}}^1$

素因数の和:965712717

約数の個数: 32

約数和(自身を含む): 1564454557800

約数和(自身を除く): 907769929280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 965712689, 1931425378, 3862850756, 4828563445, 7725701512, 9657126890, 16417115713, 19314253780, 32834231426, 38628507560, 65668462852, 82085578565, 131336925704, 164171157130, 328342314260, 656684628520]

約数ペア:

[(1, 656684628520), (2, 328342314260), (4, 164171157130), (5, 131336925704), (8, 82085578565), (10, 65668462852), (17, 38628507560), (20, 32834231426), (34, 19314253780), (40, 16417115713), (68, 9657126890), (85, 7725701512), (136, 4828563445), (170, 3862850756), (340, 1931425378), (680, 965712689)]