29121491920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1\times {\mathrm{6971}}^1$

素因数の和:7724

約数の個数: 80

約数和(自身を含む): 68678104320

約数和(自身を除く): 39556612400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 661, 790, 1264, 1322, 1580, 2644, 3160, 3305, 5288, 6320, 6610, 6971, 10576, 13220, 13942, 26440, 27884, 34855, 52219, 52880, 55768, 69710, 104438, 111536, 139420, 208876, 261095, 278840, 417752, 522190, 550709, 557680, 835504, 1044380, 1101418, 2088760, 2202836, 2753545, 4177520, 4405672, 4607831, 5507090, 8811344, 9215662, 11014180, 18431324, 22028360, 23039155, 36862648, 44056720, 46078310, 73725296, 92156620, 184313240, 364018649, 368626480, 728037298, 1456074596, 1820093245, 2912149192, 3640186490, 5824298384, 7280372980, 14560745960, 29121491920]

約数ペア:

[(1, 29121491920), (2, 14560745960), (4, 7280372980), (5, 5824298384), (8, 3640186490), (10, 2912149192), (16, 1820093245), (20, 1456074596), (40, 728037298), (79, 368626480), (80, 364018649), (158, 184313240), (316, 92156620), (395, 73725296), (632, 46078310), (661, 44056720), (790, 36862648), (1264, 23039155), (1322, 22028360), (1580, 18431324), (2644, 11014180), (3160, 9215662), (3305, 8811344), (5288, 5507090), (6320, 4607831), (6610, 4405672), (6971, 4177520), (10576, 2753545), (13220, 2202836), (13942, 2088760), (26440, 1101418), (27884, 1044380), (34855, 835504), (52219, 557680), (52880, 550709), (55768, 522190), (69710, 417752), (104438, 278840), (111536, 261095), (139420, 208876)]