31619380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3923}}^1$

素因数の和:3976

約数の個数: 48

約数和(自身を含む): 73833984

約数和(自身を除く): 42214604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 3923, 4030, 7846, 8060, 15692, 19615, 39230, 50999, 78460, 101998, 121613, 203996, 243226, 254995, 486452, 509990, 608065, 1019980, 1216130, 1580969, 2432260, 3161938, 6323876, 7904845, 15809690, 31619380]

約数ペア:

[(1, 31619380), (2, 15809690), (4, 7904845), (5, 6323876), (10, 3161938), (13, 2432260), (20, 1580969), (26, 1216130), (31, 1019980), (52, 608065), (62, 509990), (65, 486452), (124, 254995), (130, 243226), (155, 203996), (260, 121613), (310, 101998), (403, 78460), (620, 50999), (806, 39230), (1612, 19615), (2015, 15692), (3923, 8060), (4030, 7846)]