25001808

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 70412160

約数和(自身を除く): 45410352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 103, 104, 156, 206, 208, 309, 312, 389, 412, 618, 624, 778, 824, 1167, 1236, 1339, 1556, 1648, 2334, 2472, 2678, 3112, 4017, 4668, 4944, 5057, 5356, 6224, 8034, 9336, 10114, 10712, 15171, 16068, 18672, 20228, 21424, 30342, 32136, 40067, 40456, 60684, 64272, 80134, 80912, 120201, 121368, 160268, 240402, 242736, 320536, 480804, 520871, 641072, 961608, 1041742, 1562613, 1923216, 2083484, 3125226, 4166968, 6250452, 8333936, 12500904, 25001808]

約数ペア:

[(1, 25001808), (2, 12500904), (3, 8333936), (4, 6250452), (6, 4166968), (8, 3125226), (12, 2083484), (13, 1923216), (16, 1562613), (24, 1041742), (26, 961608), (39, 641072), (48, 520871), (52, 480804), (78, 320536), (103, 242736), (104, 240402), (156, 160268), (206, 121368), (208, 120201), (309, 80912), (312, 80134), (389, 64272), (412, 60684), (618, 40456), (624, 40067), (778, 32136), (824, 30342), (1167, 21424), (1236, 20228), (1339, 18672), (1556, 16068), (1648, 15171), (2334, 10712), (2472, 10114), (2678, 9336), (3112, 8034), (4017, 6224), (4668, 5356), (4944, 5057)]