27826480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 71495424

約数和(自身を除く): 43668944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 103, 110, 176, 206, 220, 307, 412, 440, 515, 614, 824, 880, 1030, 1133, 1228, 1535, 1648, 2060, 2266, 2456, 3070, 3377, 4120, 4532, 4912, 5665, 6140, 6754, 8240, 9064, 11330, 12280, 13508, 16885, 18128, 22660, 24560, 27016, 31621, 33770, 45320, 54032, 63242, 67540, 90640, 126484, 135080, 158105, 252968, 270160, 316210, 347831, 505936, 632420, 695662, 1264840, 1391324, 1739155, 2529680, 2782648, 3478310, 5565296, 6956620, 13913240, 27826480]

約数ペア:

[(1, 27826480), (2, 13913240), (4, 6956620), (5, 5565296), (8, 3478310), (10, 2782648), (11, 2529680), (16, 1739155), (20, 1391324), (22, 1264840), (40, 695662), (44, 632420), (55, 505936), (80, 347831), (88, 316210), (103, 270160), (110, 252968), (176, 158105), (206, 135080), (220, 126484), (307, 90640), (412, 67540), (440, 63242), (515, 54032), (614, 45320), (824, 33770), (880, 31621), (1030, 27016), (1133, 24560), (1228, 22660), (1535, 18128), (1648, 16885), (2060, 13508), (2266, 12280), (2456, 11330), (3070, 9064), (3377, 8240), (4120, 6754), (4532, 6140), (4912, 5665)]