523280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 40

約数和(自身を含む): 1261824

約数和(自身を除く): 738544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 211, 248, 310, 422, 496, 620, 844, 1055, 1240, 1688, 2110, 2480, 3376, 4220, 6541, 8440, 13082, 16880, 26164, 32705, 52328, 65410, 104656, 130820, 261640, 523280]

約数ペア:

[(1, 523280), (2, 261640), (4, 130820), (5, 104656), (8, 65410), (10, 52328), (16, 32705), (20, 26164), (31, 16880), (40, 13082), (62, 8440), (80, 6541), (124, 4220), (155, 3376), (211, 2480), (248, 2110), (310, 1688), (422, 1240), (496, 1055), (620, 844)]