26825960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 69552000

約数和(自身を除く): 42726040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 643, 745, 1043, 1192, 1286, 1490, 2086, 2572, 2980, 3215, 4172, 4501, 5144, 5215, 5960, 6430, 8344, 9002, 10430, 12860, 18004, 20860, 22505, 25720, 36008, 41720, 45010, 90020, 95807, 180040, 191614, 383228, 479035, 670649, 766456, 958070, 1341298, 1916140, 2682596, 3353245, 3832280, 5365192, 6706490, 13412980, 26825960]

約数ペア:

[(1, 26825960), (2, 13412980), (4, 6706490), (5, 5365192), (7, 3832280), (8, 3353245), (10, 2682596), (14, 1916140), (20, 1341298), (28, 958070), (35, 766456), (40, 670649), (56, 479035), (70, 383228), (140, 191614), (149, 180040), (280, 95807), (298, 90020), (596, 45010), (643, 41720), (745, 36008), (1043, 25720), (1192, 22505), (1286, 20860), (1490, 18004), (2086, 12860), (2572, 10430), (2980, 9002), (3215, 8344), (4172, 6430), (4501, 5960), (5144, 5215)]