27226880

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 66225600

約数和(自身を除く): 38998720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 239, 256, 320, 356, 445, 478, 640, 712, 890, 956, 1195, 1280, 1424, 1780, 1912, 2390, 2848, 3560, 3824, 4780, 5696, 7120, 7648, 9560, 11392, 14240, 15296, 19120, 21271, 22784, 28480, 30592, 38240, 42542, 56960, 61184, 76480, 85084, 106355, 113920, 152960, 170168, 212710, 305920, 340336, 425420, 680672, 850840, 1361344, 1701680, 2722688, 3403360, 5445376, 6806720, 13613440, 27226880]

約数ペア:

[(1, 27226880), (2, 13613440), (4, 6806720), (5, 5445376), (8, 3403360), (10, 2722688), (16, 1701680), (20, 1361344), (32, 850840), (40, 680672), (64, 425420), (80, 340336), (89, 305920), (128, 212710), (160, 170168), (178, 152960), (239, 113920), (256, 106355), (320, 85084), (356, 76480), (445, 61184), (478, 56960), (640, 42542), (712, 38240), (890, 30592), (956, 28480), (1195, 22784), (1280, 21271), (1424, 19120), (1780, 15296), (1912, 14240), (2390, 11392), (2848, 9560), (3560, 7648), (3824, 7120), (4780, 5696)]