20171731520

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3317719}}^1$

素因数の和:3317755

約数の個数: 56

約数和(自身を含む): 50562052800

約数和(自身を除く): 30390321280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 3317719, 6635438, 13270876, 16588595, 26541752, 33177190, 53083504, 63036661, 66354380, 106167008, 126073322, 132708760, 212334016, 252146644, 265417520, 315183305, 504293288, 530835040, 630366610, 1008586576, 1061670080, 1260733220, 2017173152, 2521466440, 4034346304, 5042932880, 10085865760, 20171731520]

約数ペア:

[(1, 20171731520), (2, 10085865760), (4, 5042932880), (5, 4034346304), (8, 2521466440), (10, 2017173152), (16, 1260733220), (19, 1061670080), (20, 1008586576), (32, 630366610), (38, 530835040), (40, 504293288), (64, 315183305), (76, 265417520), (80, 252146644), (95, 212334016), (152, 132708760), (160, 126073322), (190, 106167008), (304, 66354380), (320, 63036661), (380, 53083504), (608, 33177190), (760, 26541752), (1216, 16588595), (1520, 13270876), (3040, 6635438), (6080, 3317719)]