7213960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13873}}^1$

素因数の和:13897

約数の個数: 32

約数和(自身を含む): 17481240

約数和(自身を除く): 10267280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 13873, 27746, 55492, 69365, 110984, 138730, 180349, 277460, 360698, 554920, 721396, 901745, 1442792, 1803490, 3606980, 7213960]

約数ペア:

[(1, 7213960), (2, 3606980), (4, 1803490), (5, 1442792), (8, 901745), (10, 721396), (13, 554920), (20, 360698), (26, 277460), (40, 180349), (52, 138730), (65, 110984), (104, 69365), (130, 55492), (260, 27746), (520, 13873)]