72408820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29921}}^1$

素因数の和:29952

約数の個数: 36

約数和(自身を含む): 167144292

約数和(自身を除く): 94735472

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 29921, 59842, 119684, 149605, 299210, 329131, 598420, 658262, 1316524, 1645655, 3291310, 3620441, 6582620, 7240882, 14481764, 18102205, 36204410, 72408820]

約数ペア:

[(1, 72408820), (2, 36204410), (4, 18102205), (5, 14481764), (10, 7240882), (11, 6582620), (20, 3620441), (22, 3291310), (44, 1645655), (55, 1316524), (110, 658262), (121, 598420), (220, 329131), (242, 299210), (484, 149605), (605, 119684), (1210, 59842), (2420, 29921)]