55874840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{463}}^1$

素因数の和:912

約数の個数: 64

約数和(自身を含む): 144322560

約数和(自身を除く): 88447720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431, 463, 862, 926, 1724, 1852, 2155, 2315, 3017, 3241, 3448, 3704, 4310, 4630, 6034, 6482, 8620, 9260, 12068, 12964, 15085, 16205, 17240, 18520, 24136, 25928, 30170, 32410, 60340, 64820, 120680, 129640, 199553, 399106, 798212, 997765, 1396871, 1596424, 1995530, 2793742, 3991060, 5587484, 6984355, 7982120, 11174968, 13968710, 27937420, 55874840]

約数ペア:

[(1, 55874840), (2, 27937420), (4, 13968710), (5, 11174968), (7, 7982120), (8, 6984355), (10, 5587484), (14, 3991060), (20, 2793742), (28, 1995530), (35, 1596424), (40, 1396871), (56, 997765), (70, 798212), (140, 399106), (280, 199553), (431, 129640), (463, 120680), (862, 64820), (926, 60340), (1724, 32410), (1852, 30170), (2155, 25928), (2315, 24136), (3017, 18520), (3241, 17240), (3448, 16205), (3704, 15085), (4310, 12964), (4630, 12068), (6034, 9260), (6482, 8620)]