164005640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2003}}^1$

素因数の和:2126

約数の個数: 64

約数和(自身を含む): 389577600

約数和(自身を除く): 225571960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 445, 460, 712, 890, 920, 1780, 2003, 2047, 3560, 4006, 4094, 8012, 8188, 10015, 10235, 16024, 16376, 20030, 20470, 40060, 40940, 46069, 80120, 81880, 92138, 178267, 184276, 230345, 356534, 368552, 460690, 713068, 891335, 921380, 1426136, 1782670, 1842760, 3565340, 4100141, 7130680, 8200282, 16400564, 20500705, 32801128, 41001410, 82002820, 164005640]

約数ペア:

[(1, 164005640), (2, 82002820), (4, 41001410), (5, 32801128), (8, 20500705), (10, 16400564), (20, 8200282), (23, 7130680), (40, 4100141), (46, 3565340), (89, 1842760), (92, 1782670), (115, 1426136), (178, 921380), (184, 891335), (230, 713068), (356, 460690), (445, 368552), (460, 356534), (712, 230345), (890, 184276), (920, 178267), (1780, 92138), (2003, 81880), (2047, 80120), (3560, 46069), (4006, 40940), (4094, 40060), (8012, 20470), (8188, 20030), (10015, 16376), (10235, 16024)]