76420520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173683}}^1$

素因数の和:173705

約数の個数: 32

約数和(自身を含む): 187578720

約数和(自身を除く): 111158200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 173683, 347366, 694732, 868415, 1389464, 1736830, 1910513, 3473660, 3821026, 6947320, 7642052, 9552565, 15284104, 19105130, 38210260, 76420520]

約数ペア:

[(1, 76420520), (2, 38210260), (4, 19105130), (5, 15284104), (8, 9552565), (10, 7642052), (11, 6947320), (20, 3821026), (22, 3473660), (40, 1910513), (44, 1736830), (55, 1389464), (88, 868415), (110, 694732), (220, 347366), (440, 173683)]