129410720

素因数分解:

$2^5\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2017}}^1$

素因数の和:2433

約数の個数: 48

約数和(自身を含む): 306647208

約数和(自身を除く): 177236488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 401, 802, 1604, 2005, 2017, 3208, 4010, 4034, 6416, 8020, 8068, 10085, 12832, 16040, 16136, 20170, 32080, 32272, 40340, 64160, 64544, 80680, 161360, 322720, 808817, 1617634, 3235268, 4044085, 6470536, 8088170, 12941072, 16176340, 25882144, 32352680, 64705360, 129410720]

約数ペア:

[(1, 129410720), (2, 64705360), (4, 32352680), (5, 25882144), (8, 16176340), (10, 12941072), (16, 8088170), (20, 6470536), (32, 4044085), (40, 3235268), (80, 1617634), (160, 808817), (401, 322720), (802, 161360), (1604, 80680), (2005, 64544), (2017, 64160), (3208, 40340), (4010, 32272), (4034, 32080), (6416, 20170), (8020, 16136), (8068, 16040), (10085, 12832)]