78008920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10429}}^1$

素因数の和:10468

約数の個数: 64

約数和(自身を含む): 202759200

約数和(自身を除く): 124750280

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 10429, 20858, 41716, 52145, 83432, 104290, 114719, 177293, 208580, 229438, 354586, 417160, 458876, 573595, 709172, 886465, 917752, 1147190, 1418344, 1772930, 1950223, 2294380, 3545860, 3900446, 4588760, 7091720, 7800892, 9751115, 15601784, 19502230, 39004460, 78008920]

約数ペア:

[(1, 78008920), (2, 39004460), (4, 19502230), (5, 15601784), (8, 9751115), (10, 7800892), (11, 7091720), (17, 4588760), (20, 3900446), (22, 3545860), (34, 2294380), (40, 1950223), (44, 1772930), (55, 1418344), (68, 1147190), (85, 917752), (88, 886465), (110, 709172), (136, 573595), (170, 458876), (187, 417160), (220, 354586), (340, 229438), (374, 208580), (440, 177293), (680, 114719), (748, 104290), (935, 83432), (1496, 52145), (1870, 41716), (3740, 20858), (7480, 10429)]