39399820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{1439}}^1$

素因数の和:1522

約数の個数: 36

約数和(自身を含む): 85095360

約数和(自身を除く): 45695540

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1369, 1439, 2738, 2878, 5476, 5756, 6845, 7195, 13690, 14390, 27380, 28780, 53243, 106486, 212972, 266215, 532430, 1064860, 1969991, 3939982, 7879964, 9849955, 19699910, 39399820]

約数ペア:

[(1, 39399820), (2, 19699910), (4, 9849955), (5, 7879964), (10, 3939982), (20, 1969991), (37, 1064860), (74, 532430), (148, 266215), (185, 212972), (370, 106486), (740, 53243), (1369, 28780), (1439, 27380), (2738, 14390), (2878, 13690), (5476, 7195), (5756, 6845)]