2007281720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1\times {\mathrm{1613}}^1$

素因数の和:2264

約数の個数: 64

約数和(自身を含む): 4612295520

約数和(自身を除く): 2605013800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 587, 1060, 1174, 1613, 2120, 2348, 2935, 3226, 4696, 5870, 6452, 8065, 11740, 12904, 16130, 23480, 31111, 32260, 62222, 64520, 85489, 124444, 155555, 170978, 248888, 311110, 341956, 427445, 622220, 683912, 854890, 946831, 1244440, 1709780, 1893662, 3419560, 3787324, 4734155, 7574648, 9468310, 18936620, 37873240, 50182043, 100364086, 200728172, 250910215, 401456344, 501820430, 1003640860, 2007281720]

約数ペア:

[(1, 2007281720), (2, 1003640860), (4, 501820430), (5, 401456344), (8, 250910215), (10, 200728172), (20, 100364086), (40, 50182043), (53, 37873240), (106, 18936620), (212, 9468310), (265, 7574648), (424, 4734155), (530, 3787324), (587, 3419560), (1060, 1893662), (1174, 1709780), (1613, 1244440), (2120, 946831), (2348, 854890), (2935, 683912), (3226, 622220), (4696, 427445), (5870, 341956), (6452, 311110), (8065, 248888), (11740, 170978), (12904, 155555), (16130, 124444), (23480, 85489), (31111, 64520), (32260, 62222)]