13613440

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 33048000

約数和(自身を除く): 19434560

約数列:

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

約数ペア:

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