20416600

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 50889600

約数和(自身を除く): 30473000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 37, 40, 50, 62, 74, 89, 100, 124, 148, 155, 178, 185, 200, 248, 296, 310, 356, 370, 445, 620, 712, 740, 775, 890, 925, 1147, 1240, 1480, 1550, 1780, 1850, 2225, 2294, 2759, 3100, 3293, 3560, 3700, 4450, 4588, 5518, 5735, 6200, 6586, 7400, 8900, 9176, 11036, 11470, 13172, 13795, 16465, 17800, 22072, 22940, 26344, 27590, 28675, 32930, 45880, 55180, 57350, 65860, 68975, 82325, 102083, 110360, 114700, 131720, 137950, 164650, 204166, 229400, 275900, 329300, 408332, 510415, 551800, 658600, 816664, 1020830, 2041660, 2552075, 4083320, 5104150, 10208300, 20416600]

約数ペア:

[(1, 20416600), (2, 10208300), (4, 5104150), (5, 4083320), (8, 2552075), (10, 2041660), (20, 1020830), (25, 816664), (31, 658600), (37, 551800), (40, 510415), (50, 408332), (62, 329300), (74, 275900), (89, 229400), (100, 204166), (124, 164650), (148, 137950), (155, 131720), (178, 114700), (185, 110360), (200, 102083), (248, 82325), (296, 68975), (310, 65860), (356, 57350), (370, 55180), (445, 45880), (620, 32930), (712, 28675), (740, 27590), (775, 26344), (890, 22940), (925, 22072), (1147, 17800), (1240, 16465), (1480, 13795), (1550, 13172), (1780, 11470), (1850, 11036), (2225, 9176), (2294, 8900), (2759, 7400), (3100, 6586), (3293, 6200), (3560, 5735), (3700, 5518), (4450, 4588)]