27983507840

素因数分解:

$2^7\times 5^1\times {\mathrm{2609}}^1\times {\mathrm{16759}}^1$

素因数の和:19387

約数の個数: 64

約数和(自身を含む): 66927708000

約数和(自身を除く): 38944200160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2609, 5218, 10436, 13045, 16759, 20872, 26090, 33518, 41744, 52180, 67036, 83488, 83795, 104360, 134072, 166976, 167590, 208720, 268144, 333952, 335180, 417440, 536288, 670360, 834880, 1072576, 1340720, 1669760, 2145152, 2681440, 5362880, 10725760, 43724231, 87448462, 174896924, 218621155, 349793848, 437242310, 699587696, 874484620, 1399175392, 1748969240, 2798350784, 3497938480, 5596701568, 6995876960, 13991753920, 27983507840]

約数ペア:

[(1, 27983507840), (2, 13991753920), (4, 6995876960), (5, 5596701568), (8, 3497938480), (10, 2798350784), (16, 1748969240), (20, 1399175392), (32, 874484620), (40, 699587696), (64, 437242310), (80, 349793848), (128, 218621155), (160, 174896924), (320, 87448462), (640, 43724231), (2609, 10725760), (5218, 5362880), (10436, 2681440), (13045, 2145152), (16759, 1669760), (20872, 1340720), (26090, 1072576), (33518, 834880), (41744, 670360), (52180, 536288), (67036, 417440), (83488, 335180), (83795, 333952), (104360, 268144), (134072, 208720), (166976, 167590)]