816313302020

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3853}}^1\times {\mathrm{26417}}^1$

素因数の和:30680

約数の個数: 48

約数和(自身を含む): 1719043987248

約数和(自身を除く): 902730685228

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 3853, 4010, 7706, 8020, 15412, 19265, 26417, 38530, 52834, 77060, 105668, 132085, 264170, 528340, 1545053, 3090106, 6180212, 7725265, 10593217, 15450530, 21186434, 30901060, 42372868, 52966085, 101784701, 105932170, 203569402, 211864340, 407138804, 508923505, 1017847010, 2035694020, 40815665101, 81631330202, 163262660404, 204078325505, 408156651010, 816313302020]

約数ペア:

[(1, 816313302020), (2, 408156651010), (4, 204078325505), (5, 163262660404), (10, 81631330202), (20, 40815665101), (401, 2035694020), (802, 1017847010), (1604, 508923505), (2005, 407138804), (3853, 211864340), (4010, 203569402), (7706, 105932170), (8020, 101784701), (15412, 52966085), (19265, 42372868), (26417, 30901060), (38530, 21186434), (52834, 15450530), (77060, 10593217), (105668, 7725265), (132085, 6180212), (264170, 3090106), (528340, 1545053)]