129125320

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{44221}}^1$

素因数の和:44305

約数の個数: 32

約数和(自身を含む): 294518520

約数和(自身を除く): 165393200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 44221, 88442, 176884, 221105, 353768, 442210, 884420, 1768840, 3228133, 6456266, 12912532, 16140665, 25825064, 32281330, 64562660, 129125320]

約数ペア:

[(1, 129125320), (2, 64562660), (4, 32281330), (5, 25825064), (8, 16140665), (10, 12912532), (20, 6456266), (40, 3228133), (73, 1768840), (146, 884420), (292, 442210), (365, 353768), (584, 221105), (730, 176884), (1460, 88442), (2920, 44221)]