8188520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4993}}^1$

素因数の和:5045

約数の個数: 32

約数和(自身を含む): 18877320

約数和(自身を除く): 10688800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 4993, 9986, 19972, 24965, 39944, 49930, 99860, 199720, 204713, 409426, 818852, 1023565, 1637704, 2047130, 4094260, 8188520]

約数ペア:

[(1, 8188520), (2, 4094260), (4, 2047130), (5, 1637704), (8, 1023565), (10, 818852), (20, 409426), (40, 204713), (41, 199720), (82, 99860), (164, 49930), (205, 39944), (328, 24965), (410, 19972), (820, 9986), (1640, 4993)]