80151320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87121}}^1$

素因数の和:87155

約数の個数: 32

約数和(自身を含む): 188183520

約数和(自身を除く): 108032200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 87121, 174242, 348484, 435605, 696968, 871210, 1742420, 2003783, 3484840, 4007566, 8015132, 10018915, 16030264, 20037830, 40075660, 80151320]

約数ペア:

[(1, 80151320), (2, 40075660), (4, 20037830), (5, 16030264), (8, 10018915), (10, 8015132), (20, 4007566), (23, 3484840), (40, 2003783), (46, 1742420), (92, 871210), (115, 696968), (184, 435605), (230, 348484), (460, 174242), (920, 87121)]