2488806400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{191}}^1\times {\mathrm{509}}^1$

素因数の和:730

約数の個数: 132

約数和(自身を含む): 6213709440

約数和(自身を除く): 3724903040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 191, 200, 256, 320, 382, 400, 509, 512, 640, 764, 800, 955, 1018, 1024, 1280, 1528, 1600, 1910, 2036, 2545, 2560, 3056, 3200, 3820, 4072, 4775, 5090, 5120, 6112, 6400, 7640, 8144, 9550, 10180, 12224, 12725, 12800, 15280, 16288, 19100, 20360, 24448, 25450, 25600, 30560, 32576, 38200, 40720, 48896, 50900, 61120, 65152, 76400, 81440, 97219, 97792, 101800, 122240, 130304, 152800, 162880, 194438, 195584, 203600, 244480, 260608, 305600, 325760, 388876, 407200, 486095, 488960, 521216, 611200, 651520, 777752, 814400, 972190, 977920, 1222400, 1303040, 1555504, 1628800, 1944380, 2430475, 2444800, 2606080, 3111008, 3257600, 3888760, 4860950, 4889600, 6222016, 6515200, 7777520, 9721900, 12444032, 13030400, 15555040, 19443800, 24888064, 31110080, 38887600, 49776128, 62220160, 77775200, 99552256, 124440320, 155550400, 248880640, 311100800, 497761280, 622201600, 1244403200, 2488806400]

約数ペア:

[(1, 2488806400), (2, 1244403200), (4, 622201600), (5, 497761280), (8, 311100800), (10, 248880640), (16, 155550400), (20, 124440320), (25, 99552256), (32, 77775200), (40, 62220160), (50, 49776128), (64, 38887600), (80, 31110080), (100, 24888064), (128, 19443800), (160, 15555040), (191, 13030400), (200, 12444032), (256, 9721900), (320, 7777520), (382, 6515200), (400, 6222016), (509, 4889600), (512, 4860950), (640, 3888760), (764, 3257600), (800, 3111008), (955, 2606080), (1018, 2444800), (1024, 2430475), (1280, 1944380), (1528, 1628800), (1600, 1555504), (1910, 1303040), (2036, 1222400), (2545, 977920), (2560, 972190), (3056, 814400), (3200, 777752), (3820, 651520), (4072, 611200), (4775, 521216), (5090, 488960), (5120, 486095), (6112, 407200), (6400, 388876), (7640, 325760), (8144, 305600), (9550, 260608), (10180, 244480), (12224, 203600), (12725, 195584), (12800, 194438), (15280, 162880), (16288, 152800), (19100, 130304), (20360, 122240), (24448, 101800), (25450, 97792), (25600, 97219), (30560, 81440), (32576, 76400), (38200, 65152), (40720, 61120), (48896, 50900)]