84290720

素因数分解:

$2^5\times 5^1\times {\mathrm{661}}^1\times {\mathrm{797}}^1$

素因数の和:1473

約数の個数: 48

約数和(自身を含む): 199688328

約数和(自身を除く): 115397608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 661, 797, 1322, 1594, 2644, 3188, 3305, 3985, 5288, 6376, 6610, 7970, 10576, 12752, 13220, 15940, 21152, 25504, 26440, 31880, 52880, 63760, 105760, 127520, 526817, 1053634, 2107268, 2634085, 4214536, 5268170, 8429072, 10536340, 16858144, 21072680, 42145360, 84290720]

約数ペア:

[(1, 84290720), (2, 42145360), (4, 21072680), (5, 16858144), (8, 10536340), (10, 8429072), (16, 5268170), (20, 4214536), (32, 2634085), (40, 2107268), (80, 1053634), (160, 526817), (661, 127520), (797, 105760), (1322, 63760), (1594, 52880), (2644, 31880), (3188, 26440), (3305, 25504), (3985, 21152), (5288, 15940), (6376, 13220), (6610, 12752), (7970, 10576)]