25125220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1787}}^1$

素因数の和:1852

約数の個数: 48

約数和(自身を含む): 57072960

約数和(自身を除く): 31947740

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 1787, 2812, 3515, 3574, 7030, 7148, 8935, 14060, 17870, 33953, 35740, 66119, 67906, 132238, 135812, 169765, 264476, 330595, 339530, 661190, 679060, 1256261, 1322380, 2512522, 5025044, 6281305, 12562610, 25125220]

約数ペア:

[(1, 25125220), (2, 12562610), (4, 6281305), (5, 5025044), (10, 2512522), (19, 1322380), (20, 1256261), (37, 679060), (38, 661190), (74, 339530), (76, 330595), (95, 264476), (148, 169765), (185, 135812), (190, 132238), (370, 67906), (380, 66119), (703, 35740), (740, 33953), (1406, 17870), (1787, 14060), (2812, 8935), (3515, 7148), (3574, 7030)]