20167080880

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{128551}}^1$

素因数の和:128654

約数の個数: 80

約数和(自身を含む): 49064698944

約数和(自身を除く): 28897618064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 53, 74, 80, 106, 148, 185, 212, 265, 296, 370, 424, 530, 592, 740, 848, 1060, 1480, 1961, 2120, 2960, 3922, 4240, 7844, 9805, 15688, 19610, 31376, 39220, 78440, 128551, 156880, 257102, 514204, 642755, 1028408, 1285510, 2056816, 2571020, 4756387, 5142040, 6813203, 9512774, 10284080, 13626406, 19025548, 23781935, 27252812, 34066015, 38051096, 47563870, 54505624, 68132030, 76102192, 95127740, 109011248, 136264060, 190255480, 252088511, 272528120, 380510960, 504177022, 545056240, 1008354044, 1260442555, 2016708088, 2520885110, 4033416176, 5041770220, 10083540440, 20167080880]

約数ペア:

[(1, 20167080880), (2, 10083540440), (4, 5041770220), (5, 4033416176), (8, 2520885110), (10, 2016708088), (16, 1260442555), (20, 1008354044), (37, 545056240), (40, 504177022), (53, 380510960), (74, 272528120), (80, 252088511), (106, 190255480), (148, 136264060), (185, 109011248), (212, 95127740), (265, 76102192), (296, 68132030), (370, 54505624), (424, 47563870), (530, 38051096), (592, 34066015), (740, 27252812), (848, 23781935), (1060, 19025548), (1480, 13626406), (1961, 10284080), (2120, 9512774), (2960, 6813203), (3922, 5142040), (4240, 4756387), (7844, 2571020), (9805, 2056816), (15688, 1285510), (19610, 1028408), (31376, 642755), (39220, 514204), (78440, 257102), (128551, 156880)]