22188760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 54950400

約数和(自身を除く): 32761640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 211, 220, 239, 422, 440, 478, 844, 956, 1055, 1195, 1688, 1912, 2110, 2321, 2390, 2629, 4220, 4642, 4780, 5258, 8440, 9284, 9560, 10516, 11605, 13145, 18568, 21032, 23210, 26290, 46420, 50429, 52580, 92840, 100858, 105160, 201716, 252145, 403432, 504290, 554719, 1008580, 1109438, 2017160, 2218876, 2773595, 4437752, 5547190, 11094380, 22188760]

約数ペア:

[(1, 22188760), (2, 11094380), (4, 5547190), (5, 4437752), (8, 2773595), (10, 2218876), (11, 2017160), (20, 1109438), (22, 1008580), (40, 554719), (44, 504290), (55, 403432), (88, 252145), (110, 201716), (211, 105160), (220, 100858), (239, 92840), (422, 52580), (440, 50429), (478, 46420), (844, 26290), (956, 23210), (1055, 21032), (1195, 18568), (1688, 13145), (1912, 11605), (2110, 10516), (2321, 9560), (2390, 9284), (2629, 8440), (4220, 5258), (4642, 4780)]