51372800

素因数分解:

$2^8\times 5^2\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:398

約数の個数: 108

約数和(自身を含む): 133064400

約数和(自身を除く): 81691600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 128, 160, 184, 200, 230, 256, 320, 349, 368, 400, 460, 575, 640, 698, 736, 800, 920, 1150, 1280, 1396, 1472, 1600, 1745, 1840, 2300, 2792, 2944, 3200, 3490, 3680, 4600, 5584, 5888, 6400, 6980, 7360, 8027, 8725, 9200, 11168, 13960, 14720, 16054, 17450, 18400, 22336, 27920, 29440, 32108, 34900, 36800, 40135, 44672, 55840, 64216, 69800, 73600, 80270, 89344, 111680, 128432, 139600, 147200, 160540, 200675, 223360, 256864, 279200, 321080, 401350, 446720, 513728, 558400, 642160, 802700, 1027456, 1116800, 1284320, 1605400, 2054912, 2233600, 2568640, 3210800, 5137280, 6421600, 10274560, 12843200, 25686400, 51372800]

約数ペア:

[(1, 51372800), (2, 25686400), (4, 12843200), (5, 10274560), (8, 6421600), (10, 5137280), (16, 3210800), (20, 2568640), (23, 2233600), (25, 2054912), (32, 1605400), (40, 1284320), (46, 1116800), (50, 1027456), (64, 802700), (80, 642160), (92, 558400), (100, 513728), (115, 446720), (128, 401350), (160, 321080), (184, 279200), (200, 256864), (230, 223360), (256, 200675), (320, 160540), (349, 147200), (368, 139600), (400, 128432), (460, 111680), (575, 89344), (640, 80270), (698, 73600), (736, 69800), (800, 64216), (920, 55840), (1150, 44672), (1280, 40135), (1396, 36800), (1472, 34900), (1600, 32108), (1745, 29440), (1840, 27920), (2300, 22336), (2792, 18400), (2944, 17450), (3200, 16054), (3490, 14720), (3680, 13960), (4600, 11168), (5584, 9200), (5888, 8725), (6400, 8027), (6980, 7360)]