204763840

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15607}}^1$

素因数の和:15665

約数の個数: 56

約数和(自身を含む): 499518432

約数和(自身を除く): 294754592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 13120, 15607, 31214, 62428, 78035, 124856, 156070, 249712, 312140, 499424, 624280, 639887, 998848, 1248560, 1279774, 2497120, 2559548, 3199435, 4994240, 5119096, 6398870, 10238192, 12797740, 20476384, 25595480, 40952768, 51190960, 102381920, 204763840]

約数ペア:

[(1, 204763840), (2, 102381920), (4, 51190960), (5, 40952768), (8, 25595480), (10, 20476384), (16, 12797740), (20, 10238192), (32, 6398870), (40, 5119096), (41, 4994240), (64, 3199435), (80, 2559548), (82, 2497120), (160, 1279774), (164, 1248560), (205, 998848), (320, 639887), (328, 624280), (410, 499424), (656, 312140), (820, 249712), (1312, 156070), (1640, 124856), (2624, 78035), (3280, 62428), (6560, 31214), (13120, 15607)]