28068800

素因数分解:

$2^6\times 5^2\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:406

約数の個数: 84

約数和(自身を含む): 70582536

約数和(自身を除く): 42513736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 64, 80, 100, 106, 160, 200, 212, 265, 320, 331, 400, 424, 530, 662, 800, 848, 1060, 1324, 1325, 1600, 1655, 1696, 2120, 2648, 2650, 3310, 3392, 4240, 5296, 5300, 6620, 8275, 8480, 10592, 10600, 13240, 16550, 16960, 17543, 21184, 21200, 26480, 33100, 35086, 42400, 52960, 66200, 70172, 84800, 87715, 105920, 132400, 140344, 175430, 264800, 280688, 350860, 438575, 529600, 561376, 701720, 877150, 1122752, 1403440, 1754300, 2806880, 3508600, 5613760, 7017200, 14034400, 28068800]

約数ペア:

[(1, 28068800), (2, 14034400), (4, 7017200), (5, 5613760), (8, 3508600), (10, 2806880), (16, 1754300), (20, 1403440), (25, 1122752), (32, 877150), (40, 701720), (50, 561376), (53, 529600), (64, 438575), (80, 350860), (100, 280688), (106, 264800), (160, 175430), (200, 140344), (212, 132400), (265, 105920), (320, 87715), (331, 84800), (400, 70172), (424, 66200), (530, 52960), (662, 42400), (800, 35086), (848, 33100), (1060, 26480), (1324, 21200), (1325, 21184), (1600, 17543), (1655, 16960), (1696, 16550), (2120, 13240), (2648, 10600), (2650, 10592), (3310, 8480), (3392, 8275), (4240, 6620), (5296, 5300)]