80180776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 169303680

約数和(自身を除く): 89122904

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 67, 74, 104, 134, 148, 268, 296, 311, 481, 536, 622, 871, 962, 1244, 1742, 1924, 2479, 2488, 3484, 3848, 4043, 4958, 6968, 8086, 9916, 11507, 16172, 19832, 20837, 23014, 32227, 32344, 41674, 46028, 64454, 83348, 92056, 128908, 149591, 166696, 257816, 270881, 299182, 541762, 598364, 770969, 1083524, 1196728, 1541938, 2167048, 3083876, 6167752, 10022597, 20045194, 40090388, 80180776]

約数ペア:

[(1, 80180776), (2, 40090388), (4, 20045194), (8, 10022597), (13, 6167752), (26, 3083876), (37, 2167048), (52, 1541938), (67, 1196728), (74, 1083524), (104, 770969), (134, 598364), (148, 541762), (268, 299182), (296, 270881), (311, 257816), (481, 166696), (536, 149591), (622, 128908), (871, 92056), (962, 83348), (1244, 64454), (1742, 46028), (1924, 41674), (2479, 32344), (2488, 32227), (3484, 23014), (3848, 20837), (4043, 19832), (4958, 16172), (6968, 11507), (8086, 9916)]