7949440

素因数分解:

$2^7\times 5^1\times {\mathrm{12421}}^1$

素因数の和:12440

約数の個数: 32

約数和(自身を含む): 19005660

約数和(自身を除く): 11056220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12421, 24842, 49684, 62105, 99368, 124210, 198736, 248420, 397472, 496840, 794944, 993680, 1589888, 1987360, 3974720, 7949440]

約数ペア:

[(1, 7949440), (2, 3974720), (4, 1987360), (5, 1589888), (8, 993680), (10, 794944), (16, 496840), (20, 397472), (32, 248420), (40, 198736), (64, 124210), (80, 99368), (128, 62105), (160, 49684), (320, 24842), (640, 12421)]