203868388520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{124309993}}^1$

素因数の和:124310045

約数の個数: 32

約数和(自身を含む): 469891777320

約数和(自身を除く): 266023388800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 124309993, 248619986, 497239972, 621549965, 994479944, 1243099930, 2486199860, 4972399720, 5096709713, 10193419426, 20386838852, 25483548565, 40773677704, 50967097130, 101934194260, 203868388520]

約数ペア:

[(1, 203868388520), (2, 101934194260), (4, 50967097130), (5, 40773677704), (8, 25483548565), (10, 20386838852), (20, 10193419426), (40, 5096709713), (41, 4972399720), (82, 2486199860), (164, 1243099930), (205, 994479944), (328, 621549965), (410, 497239972), (820, 248619986), (1640, 124309993)]