726791440

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{14173}}^1$

素因数の和:14827

約数の個数: 40

約数和(自身を含む): 1692545688

約数和(自身を除く): 965754248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1282, 2564, 3205, 5128, 6410, 10256, 12820, 14173, 25640, 28346, 51280, 56692, 70865, 113384, 141730, 226768, 283460, 566920, 1133840, 9084893, 18169786, 36339572, 45424465, 72679144, 90848930, 145358288, 181697860, 363395720, 726791440]

約数ペア:

[(1, 726791440), (2, 363395720), (4, 181697860), (5, 145358288), (8, 90848930), (10, 72679144), (16, 45424465), (20, 36339572), (40, 18169786), (80, 9084893), (641, 1133840), (1282, 566920), (2564, 283460), (3205, 226768), (5128, 141730), (6410, 113384), (10256, 70865), (12820, 56692), (14173, 51280), (25640, 28346)]