13105540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 32864832

約数和(自身を除く): 19759292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 311, 430, 490, 602, 622, 860, 980, 1204, 1244, 1505, 1555, 2107, 2177, 3010, 3110, 4214, 4354, 6020, 6220, 8428, 8708, 10535, 10885, 13373, 15239, 21070, 21770, 26746, 30478, 42140, 43540, 53492, 60956, 66865, 76195, 93611, 133730, 152390, 187222, 267460, 304780, 374444, 468055, 655277, 936110, 1310554, 1872220, 2621108, 3276385, 6552770, 13105540]

約数ペア:

[(1, 13105540), (2, 6552770), (4, 3276385), (5, 2621108), (7, 1872220), (10, 1310554), (14, 936110), (20, 655277), (28, 468055), (35, 374444), (43, 304780), (49, 267460), (70, 187222), (86, 152390), (98, 133730), (140, 93611), (172, 76195), (196, 66865), (215, 60956), (245, 53492), (301, 43540), (311, 42140), (430, 30478), (490, 26746), (602, 21770), (622, 21070), (860, 15239), (980, 13373), (1204, 10885), (1244, 10535), (1505, 8708), (1555, 8428), (2107, 6220), (2177, 6020), (3010, 4354), (3110, 4214)]