39871328

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 95800320

約数和(自身を除く): 55928992

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 71, 92, 109, 112, 142, 161, 184, 218, 224, 284, 322, 368, 436, 497, 568, 644, 736, 763, 872, 994, 1136, 1288, 1526, 1633, 1744, 1988, 2272, 2507, 2576, 3052, 3266, 3488, 3976, 5014, 5152, 6104, 6532, 7739, 7952, 10028, 11431, 12208, 13064, 15478, 15904, 17549, 20056, 22862, 24416, 26128, 30956, 35098, 40112, 45724, 52256, 54173, 61912, 70196, 80224, 91448, 108346, 123824, 140392, 177997, 182896, 216692, 247648, 280784, 355994, 365792, 433384, 561568, 711988, 866768, 1245979, 1423976, 1733536, 2491958, 2847952, 4983916, 5695904, 9967832, 19935664, 39871328]

約数ペア:

[(1, 39871328), (2, 19935664), (4, 9967832), (7, 5695904), (8, 4983916), (14, 2847952), (16, 2491958), (23, 1733536), (28, 1423976), (32, 1245979), (46, 866768), (56, 711988), (71, 561568), (92, 433384), (109, 365792), (112, 355994), (142, 280784), (161, 247648), (184, 216692), (218, 182896), (224, 177997), (284, 140392), (322, 123824), (368, 108346), (436, 91448), (497, 80224), (568, 70196), (644, 61912), (736, 54173), (763, 52256), (872, 45724), (994, 40112), (1136, 35098), (1288, 30956), (1526, 26128), (1633, 24416), (1744, 22862), (1988, 20056), (2272, 17549), (2507, 15904), (2576, 15478), (3052, 13064), (3266, 12208), (3488, 11431), (3976, 10028), (5014, 7952), (5152, 7739), (6104, 6532)]