82939880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{317}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 194158080

約数和(自身を除く): 111218200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 211, 248, 310, 317, 422, 620, 634, 844, 1055, 1240, 1268, 1585, 1688, 2110, 2536, 3170, 4220, 6340, 6541, 8440, 9827, 12680, 13082, 19654, 26164, 32705, 39308, 49135, 52328, 65410, 66887, 78616, 98270, 130820, 133774, 196540, 261640, 267548, 334435, 393080, 535096, 668870, 1337740, 2073497, 2675480, 4146994, 8293988, 10367485, 16587976, 20734970, 41469940, 82939880]

約数ペア:

[(1, 82939880), (2, 41469940), (4, 20734970), (5, 16587976), (8, 10367485), (10, 8293988), (20, 4146994), (31, 2675480), (40, 2073497), (62, 1337740), (124, 668870), (155, 535096), (211, 393080), (248, 334435), (310, 267548), (317, 261640), (422, 196540), (620, 133774), (634, 130820), (844, 98270), (1055, 78616), (1240, 66887), (1268, 65410), (1585, 52328), (1688, 49135), (2110, 39308), (2536, 32705), (3170, 26164), (4220, 19654), (6340, 13082), (6541, 12680), (8440, 9827)]