38885840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{69439}}^1$

素因数の和:69459

約数の個数: 40

約数和(自身を含む): 103326720

約数和(自身を除く): 64440880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 69439, 138878, 277756, 347195, 486073, 555512, 694390, 972146, 1111024, 1388780, 1944292, 2430365, 2777560, 3888584, 4860730, 5555120, 7777168, 9721460, 19442920, 38885840]

約数ペア:

[(1, 38885840), (2, 19442920), (4, 9721460), (5, 7777168), (7, 5555120), (8, 4860730), (10, 3888584), (14, 2777560), (16, 2430365), (20, 1944292), (28, 1388780), (35, 1111024), (40, 972146), (56, 694390), (70, 555512), (80, 486073), (112, 347195), (140, 277756), (280, 138878), (560, 69439)]