86242880

素因数分解:

$2^6\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1489}}^1$

素因数の和:1687

約数の個数: 56

約数和(自身を含む): 206639160

約数和(自身を除く): 120396280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 181, 320, 362, 724, 905, 1448, 1489, 1810, 2896, 2978, 3620, 5792, 5956, 7240, 7445, 11584, 11912, 14480, 14890, 23824, 28960, 29780, 47648, 57920, 59560, 95296, 119120, 238240, 269509, 476480, 539018, 1078036, 1347545, 2156072, 2695090, 4312144, 5390180, 8624288, 10780360, 17248576, 21560720, 43121440, 86242880]

約数ペア:

[(1, 86242880), (2, 43121440), (4, 21560720), (5, 17248576), (8, 10780360), (10, 8624288), (16, 5390180), (20, 4312144), (32, 2695090), (40, 2156072), (64, 1347545), (80, 1078036), (160, 539018), (181, 476480), (320, 269509), (362, 238240), (724, 119120), (905, 95296), (1448, 59560), (1489, 57920), (1810, 47648), (2896, 29780), (2978, 28960), (3620, 23824), (5792, 14890), (5956, 14480), (7240, 11912), (7445, 11584)]