13978880

素因数分解:

$2^8\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 34192032

約数和(自身を除く): 20213152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 163, 256, 268, 320, 326, 335, 536, 640, 652, 670, 815, 1072, 1280, 1304, 1340, 1630, 2144, 2608, 2680, 3260, 4288, 5216, 5360, 6520, 8576, 10432, 10720, 10921, 13040, 17152, 20864, 21440, 21842, 26080, 41728, 42880, 43684, 52160, 54605, 85760, 87368, 104320, 109210, 174736, 208640, 218420, 349472, 436840, 698944, 873680, 1397888, 1747360, 2795776, 3494720, 6989440, 13978880]

約数ペア:

[(1, 13978880), (2, 6989440), (4, 3494720), (5, 2795776), (8, 1747360), (10, 1397888), (16, 873680), (20, 698944), (32, 436840), (40, 349472), (64, 218420), (67, 208640), (80, 174736), (128, 109210), (134, 104320), (160, 87368), (163, 85760), (256, 54605), (268, 52160), (320, 43684), (326, 42880), (335, 41728), (536, 26080), (640, 21842), (652, 21440), (670, 20864), (815, 17152), (1072, 13040), (1280, 10921), (1304, 10720), (1340, 10432), (1630, 8576), (2144, 6520), (2608, 5360), (2680, 5216), (3260, 4288)]