51255200

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{811}}^1$

素因数の和:910

約数の個数: 72

約数和(自身を含む): 126866880

約数和(自身を除く): 75611680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 200, 316, 395, 400, 632, 790, 800, 811, 1264, 1580, 1622, 1975, 2528, 3160, 3244, 3950, 4055, 6320, 6488, 7900, 8110, 12640, 12976, 15800, 16220, 20275, 25952, 31600, 32440, 40550, 63200, 64069, 64880, 81100, 128138, 129760, 162200, 256276, 320345, 324400, 512552, 640690, 648800, 1025104, 1281380, 1601725, 2050208, 2562760, 3203450, 5125520, 6406900, 10251040, 12813800, 25627600, 51255200]

約数ペア:

[(1, 51255200), (2, 25627600), (4, 12813800), (5, 10251040), (8, 6406900), (10, 5125520), (16, 3203450), (20, 2562760), (25, 2050208), (32, 1601725), (40, 1281380), (50, 1025104), (79, 648800), (80, 640690), (100, 512552), (158, 324400), (160, 320345), (200, 256276), (316, 162200), (395, 129760), (400, 128138), (632, 81100), (790, 64880), (800, 64069), (811, 63200), (1264, 40550), (1580, 32440), (1622, 31600), (1975, 25952), (2528, 20275), (3160, 16220), (3244, 15800), (3950, 12976), (4055, 12640), (6320, 8110), (6488, 7900)]