39717980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{823}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 88596480

約数和(自身を除く): 48878500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 127, 190, 254, 380, 508, 635, 823, 1270, 1646, 2413, 2540, 3292, 4115, 4826, 8230, 9652, 12065, 15637, 16460, 24130, 31274, 48260, 62548, 78185, 104521, 156370, 209042, 312740, 418084, 522605, 1045210, 1985899, 2090420, 3971798, 7943596, 9929495, 19858990, 39717980]

約数ペア:

[(1, 39717980), (2, 19858990), (4, 9929495), (5, 7943596), (10, 3971798), (19, 2090420), (20, 1985899), (38, 1045210), (76, 522605), (95, 418084), (127, 312740), (190, 209042), (254, 156370), (380, 104521), (508, 78185), (635, 62548), (823, 48260), (1270, 31274), (1646, 24130), (2413, 16460), (2540, 15637), (3292, 12065), (4115, 9652), (4826, 8230)]