2109402440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{41491}}^1$

素因数の和:41574

約数の個数: 64

約数和(自身を含む): 5018872320

約数和(自身を除く): 2909469880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1640, 2542, 5084, 6355, 10168, 12710, 25420, 41491, 50840, 82982, 165964, 207455, 331928, 414910, 829820, 1286221, 1659640, 1701131, 2572442, 3402262, 5144884, 6431105, 6804524, 8505655, 10289768, 12862210, 13609048, 17011310, 25724420, 34022620, 51448840, 52735061, 68045240, 105470122, 210940244, 263675305, 421880488, 527350610, 1054701220, 2109402440]

約数ペア:

[(1, 2109402440), (2, 1054701220), (4, 527350610), (5, 421880488), (8, 263675305), (10, 210940244), (20, 105470122), (31, 68045240), (40, 52735061), (41, 51448840), (62, 34022620), (82, 25724420), (124, 17011310), (155, 13609048), (164, 12862210), (205, 10289768), (248, 8505655), (310, 6804524), (328, 6431105), (410, 5144884), (620, 3402262), (820, 2572442), (1240, 1701131), (1271, 1659640), (1640, 1286221), (2542, 829820), (5084, 414910), (6355, 331928), (10168, 207455), (12710, 165964), (25420, 82982), (41491, 50840)]