27928880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{941}}^1$

素因数の和:1014

約数の個数: 80

約数和(自身を含む): 75691584

約数和(自身を除く): 47762704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 941, 1060, 1484, 1855, 1882, 2120, 2968, 3710, 3764, 4240, 4705, 5936, 6587, 7420, 7528, 9410, 13174, 14840, 15056, 18820, 26348, 29680, 32935, 37640, 49873, 52696, 65870, 75280, 99746, 105392, 131740, 199492, 249365, 263480, 349111, 398984, 498730, 526960, 698222, 797968, 997460, 1396444, 1745555, 1994920, 2792888, 3491110, 3989840, 5585776, 6982220, 13964440, 27928880]

約数ペア:

[(1, 27928880), (2, 13964440), (4, 6982220), (5, 5585776), (7, 3989840), (8, 3491110), (10, 2792888), (14, 1994920), (16, 1745555), (20, 1396444), (28, 997460), (35, 797968), (40, 698222), (53, 526960), (56, 498730), (70, 398984), (80, 349111), (106, 263480), (112, 249365), (140, 199492), (212, 131740), (265, 105392), (280, 99746), (371, 75280), (424, 65870), (530, 52696), (560, 49873), (742, 37640), (848, 32935), (941, 29680), (1060, 26348), (1484, 18820), (1855, 15056), (1882, 14840), (2120, 13174), (2968, 9410), (3710, 7528), (3764, 7420), (4240, 6587), (4705, 5936)]