16534420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1327}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 40158720

約数和(自身を除く): 23624300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1327, 1780, 2492, 2654, 3115, 5308, 6230, 6635, 9289, 12460, 13270, 18578, 26540, 37156, 46445, 92890, 118103, 185780, 236206, 472412, 590515, 826721, 1181030, 1653442, 2362060, 3306884, 4133605, 8267210, 16534420]

約数ペア:

[(1, 16534420), (2, 8267210), (4, 4133605), (5, 3306884), (7, 2362060), (10, 1653442), (14, 1181030), (20, 826721), (28, 590515), (35, 472412), (70, 236206), (89, 185780), (140, 118103), (178, 92890), (356, 46445), (445, 37156), (623, 26540), (890, 18578), (1246, 13270), (1327, 12460), (1780, 9289), (2492, 6635), (2654, 6230), (3115, 5308)]