40075940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{401}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 89147520

約数和(自身を除く): 49071580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 263, 380, 401, 526, 802, 1052, 1315, 1604, 2005, 2630, 4010, 4997, 5260, 7619, 8020, 9994, 15238, 19988, 24985, 30476, 38095, 49970, 76190, 99940, 105463, 152380, 210926, 421852, 527315, 1054630, 2003797, 2109260, 4007594, 8015188, 10018985, 20037970, 40075940]

約数ペア:

[(1, 40075940), (2, 20037970), (4, 10018985), (5, 8015188), (10, 4007594), (19, 2109260), (20, 2003797), (38, 1054630), (76, 527315), (95, 421852), (190, 210926), (263, 152380), (380, 105463), (401, 99940), (526, 76190), (802, 49970), (1052, 38095), (1315, 30476), (1604, 24985), (2005, 19988), (2630, 15238), (4010, 9994), (4997, 8020), (5260, 7619)]