51697600

素因数分解:

$2^6\times 5^2\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:510

約数の個数: 84

約数和(自身を含む): 129133600

約数和(自身を除く): 77436000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 158, 160, 200, 316, 320, 395, 400, 409, 632, 790, 800, 818, 1264, 1580, 1600, 1636, 1975, 2045, 2528, 3160, 3272, 3950, 4090, 5056, 6320, 6544, 7900, 8180, 10225, 12640, 13088, 15800, 16360, 20450, 25280, 26176, 31600, 32311, 32720, 40900, 63200, 64622, 65440, 81800, 126400, 129244, 130880, 161555, 163600, 258488, 323110, 327200, 516976, 646220, 654400, 807775, 1033952, 1292440, 1615550, 2067904, 2584880, 3231100, 5169760, 6462200, 10339520, 12924400, 25848800, 51697600]

約数ペア:

[(1, 51697600), (2, 25848800), (4, 12924400), (5, 10339520), (8, 6462200), (10, 5169760), (16, 3231100), (20, 2584880), (25, 2067904), (32, 1615550), (40, 1292440), (50, 1033952), (64, 807775), (79, 654400), (80, 646220), (100, 516976), (158, 327200), (160, 323110), (200, 258488), (316, 163600), (320, 161555), (395, 130880), (400, 129244), (409, 126400), (632, 81800), (790, 65440), (800, 64622), (818, 63200), (1264, 40900), (1580, 32720), (1600, 32311), (1636, 31600), (1975, 26176), (2045, 25280), (2528, 20450), (3160, 16360), (3272, 15800), (3950, 13088), (4090, 12640), (5056, 10225), (6320, 8180), (6544, 7900)]