2018931440

素因数分解:

$2^4\times 5^1\times {\mathrm{1973}}^1\times {\mathrm{12791}}^1$

素因数の和:14777

約数の個数: 40

約数和(自身を含む): 4696761888

約数和(自身を除く): 2677830448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1973, 3946, 7892, 9865, 12791, 15784, 19730, 25582, 31568, 39460, 51164, 63955, 78920, 102328, 127910, 157840, 204656, 255820, 511640, 1023280, 25236643, 50473286, 100946572, 126183215, 201893144, 252366430, 403786288, 504732860, 1009465720, 2018931440]

約数ペア:

[(1, 2018931440), (2, 1009465720), (4, 504732860), (5, 403786288), (8, 252366430), (10, 201893144), (16, 126183215), (20, 100946572), (40, 50473286), (80, 25236643), (1973, 1023280), (3946, 511640), (7892, 255820), (9865, 204656), (12791, 157840), (15784, 127910), (19730, 102328), (25582, 78920), (31568, 63955), (39460, 51164)]