2019956000

素因数分解:

$2^5\times 5^3\times {\mathrm{504989}}^1$

素因数の和:505014

約数の個数: 48

約数和(自身を含む): 4963041720

約数和(自身を除く): 2943085720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 504989, 1009978, 2019956, 2524945, 4039912, 5049890, 8079824, 10099780, 12624725, 16159648, 20199560, 25249450, 40399120, 50498900, 63123625, 80798240, 100997800, 126247250, 201995600, 252494500, 403991200, 504989000, 1009978000, 2019956000]

約数ペア:

[(1, 2019956000), (2, 1009978000), (4, 504989000), (5, 403991200), (8, 252494500), (10, 201995600), (16, 126247250), (20, 100997800), (25, 80798240), (32, 63123625), (40, 50498900), (50, 40399120), (80, 25249450), (100, 20199560), (125, 16159648), (160, 12624725), (200, 10099780), (250, 8079824), (400, 5049890), (500, 4039912), (800, 2524945), (1000, 2019956), (2000, 1009978), (4000, 504989)]