16978960

素因数分解:

$2^4\times 5^1\times {\mathrm{373}}^1\times {\mathrm{569}}^1$

素因数の和:955

約数の個数: 40

約数和(自身を含む): 39651480

約数和(自身を除く): 22672520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 373, 569, 746, 1138, 1492, 1865, 2276, 2845, 2984, 3730, 4552, 5690, 5968, 7460, 9104, 11380, 14920, 22760, 29840, 45520, 212237, 424474, 848948, 1061185, 1697896, 2122370, 3395792, 4244740, 8489480, 16978960]

約数ペア:

[(1, 16978960), (2, 8489480), (4, 4244740), (5, 3395792), (8, 2122370), (10, 1697896), (16, 1061185), (20, 848948), (40, 424474), (80, 212237), (373, 45520), (569, 29840), (746, 22760), (1138, 14920), (1492, 11380), (1865, 9104), (2276, 7460), (2845, 5968), (2984, 5690), (3730, 4552)]