25691680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 73687320

約数和(自身を除く): 47995640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 80, 98, 112, 113, 116, 140, 145, 160, 196, 203, 224, 226, 232, 245, 280, 290, 392, 406, 452, 464, 490, 560, 565, 580, 784, 791, 812, 904, 928, 980, 1015, 1120, 1130, 1160, 1421, 1568, 1582, 1624, 1808, 1960, 2030, 2260, 2320, 2842, 3164, 3248, 3277, 3616, 3920, 3955, 4060, 4520, 4640, 5537, 5684, 6328, 6496, 6554, 7105, 7840, 7910, 8120, 9040, 11074, 11368, 12656, 13108, 14210, 15820, 16240, 16385, 18080, 22148, 22736, 22939, 25312, 26216, 27685, 28420, 31640, 32480, 32770, 44296, 45472, 45878, 52432, 55370, 56840, 63280, 65540, 88592, 91756, 104864, 110740, 113680, 114695, 126560, 131080, 160573, 177184, 183512, 221480, 227360, 229390, 262160, 321146, 367024, 442960, 458780, 524320, 642292, 734048, 802865, 885920, 917560, 1284584, 1605730, 1835120, 2569168, 3211460, 3670240, 5138336, 6422920, 12845840, 25691680]

約数ペア:

[(1, 25691680), (2, 12845840), (4, 6422920), (5, 5138336), (7, 3670240), (8, 3211460), (10, 2569168), (14, 1835120), (16, 1605730), (20, 1284584), (28, 917560), (29, 885920), (32, 802865), (35, 734048), (40, 642292), (49, 524320), (56, 458780), (58, 442960), (70, 367024), (80, 321146), (98, 262160), (112, 229390), (113, 227360), (116, 221480), (140, 183512), (145, 177184), (160, 160573), (196, 131080), (203, 126560), (224, 114695), (226, 113680), (232, 110740), (245, 104864), (280, 91756), (290, 88592), (392, 65540), (406, 63280), (452, 56840), (464, 55370), (490, 52432), (560, 45878), (565, 45472), (580, 44296), (784, 32770), (791, 32480), (812, 31640), (904, 28420), (928, 27685), (980, 26216), (1015, 25312), (1120, 22939), (1130, 22736), (1160, 22148), (1421, 18080), (1568, 16385), (1582, 16240), (1624, 15820), (1808, 14210), (1960, 13108), (2030, 12656), (2260, 11368), (2320, 11074), (2842, 9040), (3164, 8120), (3248, 7910), (3277, 7840), (3616, 7105), (3920, 6554), (3955, 6496), (4060, 6328), (4520, 5684), (4640, 5537)]