53719280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21661}}^1$

素因数の和:21705

約数の個数: 40

約数和(自身を含む): 128932224

約数和(自身を除く): 75212944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 21661, 43322, 86644, 108305, 173288, 216610, 346576, 433220, 671491, 866440, 1342982, 1732880, 2685964, 3357455, 5371928, 6714910, 10743856, 13429820, 26859640, 53719280]

約数ペア:

[(1, 53719280), (2, 26859640), (4, 13429820), (5, 10743856), (8, 6714910), (10, 5371928), (16, 3357455), (20, 2685964), (31, 1732880), (40, 1342982), (62, 866440), (80, 671491), (124, 433220), (155, 346576), (248, 216610), (310, 173288), (496, 108305), (620, 86644), (1240, 43322), (2480, 21661)]