7945840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{2027}}^1$

素因数の和:2054

約数の個数: 60

約数和(自身を含む): 21500856

約数和(自身を除く): 13555016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 2027, 3920, 4054, 8108, 10135, 14189, 16216, 20270, 28378, 32432, 40540, 56756, 70945, 81080, 99323, 113512, 141890, 162160, 198646, 227024, 283780, 397292, 496615, 567560, 794584, 993230, 1135120, 1589168, 1986460, 3972920, 7945840]

約数ペア:

[(1, 7945840), (2, 3972920), (4, 1986460), (5, 1589168), (7, 1135120), (8, 993230), (10, 794584), (14, 567560), (16, 496615), (20, 397292), (28, 283780), (35, 227024), (40, 198646), (49, 162160), (56, 141890), (70, 113512), (80, 99323), (98, 81080), (112, 70945), (140, 56756), (196, 40540), (245, 32432), (280, 28378), (392, 20270), (490, 16216), (560, 14189), (784, 10135), (980, 8108), (1960, 4054), (2027, 3920)]