260855080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{997}}^1$

素因数の和:1250

約数の個数: 64

約数和(自身を含む): 609338880

約数和(自身を除く): 348483800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 211, 248, 310, 422, 620, 844, 997, 1055, 1240, 1688, 1994, 2110, 3988, 4220, 4985, 6541, 7976, 8440, 9970, 13082, 19940, 26164, 30907, 32705, 39880, 52328, 61814, 65410, 123628, 130820, 154535, 210367, 247256, 261640, 309070, 420734, 618140, 841468, 1051835, 1236280, 1682936, 2103670, 4207340, 6521377, 8414680, 13042754, 26085508, 32606885, 52171016, 65213770, 130427540, 260855080]

約数ペア:

[(1, 260855080), (2, 130427540), (4, 65213770), (5, 52171016), (8, 32606885), (10, 26085508), (20, 13042754), (31, 8414680), (40, 6521377), (62, 4207340), (124, 2103670), (155, 1682936), (211, 1236280), (248, 1051835), (310, 841468), (422, 618140), (620, 420734), (844, 309070), (997, 261640), (1055, 247256), (1240, 210367), (1688, 154535), (1994, 130820), (2110, 123628), (3988, 65410), (4220, 61814), (4985, 52328), (6541, 39880), (7976, 32705), (8440, 30907), (9970, 26164), (13082, 19940)]