38903680

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{683}}^1$

素因数の和:791

約数の個数: 64

約数和(自身を含む): 94186800

約数和(自身を除く): 55283120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 683, 712, 890, 1366, 1424, 1780, 2732, 2848, 3415, 3560, 5464, 5696, 6830, 7120, 10928, 11392, 13660, 14240, 21856, 27320, 28480, 43712, 54640, 56960, 60787, 87424, 109280, 121574, 218560, 243148, 303935, 437120, 486296, 607870, 972592, 1215740, 1945184, 2431480, 3890368, 4862960, 7780736, 9725920, 19451840, 38903680]

約数ペア:

[(1, 38903680), (2, 19451840), (4, 9725920), (5, 7780736), (8, 4862960), (10, 3890368), (16, 2431480), (20, 1945184), (32, 1215740), (40, 972592), (64, 607870), (80, 486296), (89, 437120), (128, 303935), (160, 243148), (178, 218560), (320, 121574), (356, 109280), (445, 87424), (640, 60787), (683, 56960), (712, 54640), (890, 43712), (1366, 28480), (1424, 27320), (1780, 21856), (2732, 14240), (2848, 13660), (3415, 11392), (3560, 10928), (5464, 7120), (5696, 6830)]