55038280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2909}}^1$

素因数の和:2974

約数の個数: 64

約数和(自身を含む): 138283200

約数和(自身を除く): 83244920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 2909, 3784, 4730, 5818, 9460, 11636, 14545, 18920, 23272, 29090, 31999, 58180, 63998, 116360, 125087, 127996, 159995, 250174, 255992, 319990, 500348, 625435, 639980, 1000696, 1250870, 1279960, 1375957, 2501740, 2751914, 5003480, 5503828, 6879785, 11007656, 13759570, 27519140, 55038280]

約数ペア:

[(1, 55038280), (2, 27519140), (4, 13759570), (5, 11007656), (8, 6879785), (10, 5503828), (11, 5003480), (20, 2751914), (22, 2501740), (40, 1375957), (43, 1279960), (44, 1250870), (55, 1000696), (86, 639980), (88, 625435), (110, 500348), (172, 319990), (215, 255992), (220, 250174), (344, 159995), (430, 127996), (440, 125087), (473, 116360), (860, 63998), (946, 58180), (1720, 31999), (1892, 29090), (2365, 23272), (2909, 18920), (3784, 14545), (4730, 11636), (5818, 9460)]