99740840

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{17939}}^1$

素因数の和:18089

約数の個数: 32

約数和(自身を含む): 226044000

約数和(自身を除く): 126303160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 17939, 35878, 71756, 89695, 143512, 179390, 358780, 717560, 2493521, 4987042, 9974084, 12467605, 19948168, 24935210, 49870420, 99740840]

約数ペア:

[(1, 99740840), (2, 49870420), (4, 24935210), (5, 19948168), (8, 12467605), (10, 9974084), (20, 4987042), (40, 2493521), (139, 717560), (278, 358780), (556, 179390), (695, 143512), (1112, 89695), (1390, 71756), (2780, 35878), (5560, 17939)]