20161788800

素因数分解:

$2^7\times 5^2\times {\mathrm{6300559}}^1$

素因数の和:6300583

約数の個数: 48

約数和(自身を含む): 49805926800

約数和(自身を除く): 29644138000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 6300559, 12601118, 25202236, 31502795, 50404472, 63005590, 100808944, 126011180, 157513975, 201617888, 252022360, 315027950, 403235776, 504044720, 630055900, 806471552, 1008089440, 1260111800, 2016178880, 2520223600, 4032357760, 5040447200, 10080894400, 20161788800]

約数ペア:

[(1, 20161788800), (2, 10080894400), (4, 5040447200), (5, 4032357760), (8, 2520223600), (10, 2016178880), (16, 1260111800), (20, 1008089440), (25, 806471552), (32, 630055900), (40, 504044720), (50, 403235776), (64, 315027950), (80, 252022360), (100, 201617888), (128, 157513975), (160, 126011180), (200, 100808944), (320, 63005590), (400, 50404472), (640, 31502795), (800, 25202236), (1600, 12601118), (3200, 6300559)]