55251020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 108

約数和(自身を含む): 137192160

約数和(自身を除く): 81941140

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 79, 85, 110, 121, 158, 170, 187, 220, 242, 289, 316, 340, 374, 395, 484, 578, 605, 748, 790, 869, 935, 1156, 1210, 1343, 1445, 1580, 1738, 1870, 2057, 2420, 2686, 2890, 3179, 3476, 3740, 4114, 4345, 5372, 5780, 6358, 6715, 8228, 8690, 9559, 10285, 12716, 13430, 14773, 15895, 17380, 19118, 20570, 22831, 26860, 29546, 31790, 34969, 38236, 41140, 45662, 47795, 59092, 63580, 69938, 73865, 91324, 95590, 114155, 139876, 147730, 162503, 174845, 191180, 228310, 251141, 295460, 325006, 349690, 456620, 502282, 650012, 699380, 812515, 1004564, 1255705, 1625030, 2511410, 2762551, 3250060, 5022820, 5525102, 11050204, 13812755, 27625510, 55251020]

約数ペア:

[(1, 55251020), (2, 27625510), (4, 13812755), (5, 11050204), (10, 5525102), (11, 5022820), (17, 3250060), (20, 2762551), (22, 2511410), (34, 1625030), (44, 1255705), (55, 1004564), (68, 812515), (79, 699380), (85, 650012), (110, 502282), (121, 456620), (158, 349690), (170, 325006), (187, 295460), (220, 251141), (242, 228310), (289, 191180), (316, 174845), (340, 162503), (374, 147730), (395, 139876), (484, 114155), (578, 95590), (605, 91324), (748, 73865), (790, 69938), (869, 63580), (935, 59092), (1156, 47795), (1210, 45662), (1343, 41140), (1445, 38236), (1580, 34969), (1738, 31790), (1870, 29546), (2057, 26860), (2420, 22831), (2686, 20570), (2890, 19118), (3179, 17380), (3476, 15895), (3740, 14773), (4114, 13430), (4345, 12716), (5372, 10285), (5780, 9559), (6358, 8690), (6715, 8228)]